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Finding the Fourth Proportional to 663,120.30, 994,680.45 and 497,232.30

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Solution

The fourth proportional to 663,120.30, 994,680.45 and 497,232.30 is: 745,848.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,120.30 : 994,680.45 = 497,232.30 : x
  2. Step 2: Convert to fraction form
    663,120.30/994,680.45 = 497,232.30/x
  3. Step 3: Cross multiply
    663,120.30x = 994,680.45 × 497,232.30
  4. Step 4: Simplify right side
    663,120.30x = 494,587,247,918.54
  5. Step 5: Solve for x
    x = 494,587,247,918.54/663,120.30
  6. Step 6: Final answer
    x = 745,848.45

Related Problems

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Half scale
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Double scale
Find fourth proportional to 663,121.30, 994,681.95 and 497,233.30
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.