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Finding the Fourth Proportional to 663,048.60, 994,572.90 and 164,412.60

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Solution

The fourth proportional to 663,048.60, 994,572.90 and 164,412.60 is: 246,618.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,048.60 : 994,572.90 = 164,412.60 : x
  2. Step 2: Convert to fraction form
    663,048.60/994,572.90 = 164,412.60/x
  3. Step 3: Cross multiply
    663,048.60x = 994,572.90 × 164,412.60
  4. Step 4: Simplify right side
    663,048.60x = 163,520,316,378.54
  5. Step 5: Solve for x
    x = 163,520,316,378.54/663,048.60
  6. Step 6: Final answer
    x = 246,618.90

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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.