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Finding the Fourth Proportional to 663,055.80, 994,583.70 and 497,167.80

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Solution

The fourth proportional to 663,055.80, 994,583.70 and 497,167.80 is: 745,751.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,055.80 : 994,583.70 = 497,167.80 : x
  2. Step 2: Convert to fraction form
    663,055.80/994,583.70 = 497,167.80/x
  3. Step 3: Cross multiply
    663,055.80x = 994,583.70 × 497,167.80
  4. Step 4: Simplify right side
    663,055.80x = 494,474,990,044.86
  5. Step 5: Solve for x
    x = 494,474,990,044.86/663,055.80
  6. Step 6: Final answer
    x = 745,751.70

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Half scale
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Double scale
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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.