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Finding the Fourth Proportional to 476,545.80, 715,337.10 and 266,593.80

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Solution

The fourth proportional to 476,545.80, 715,337.10 and 266,593.80 is: 400,180.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,545.80 : 715,337.10 = 266,593.80 : x
  2. Step 2: Convert to fraction form
    476,545.80/715,337.10 = 266,593.80/x
  3. Step 3: Cross multiply
    476,545.80x = 715,337.10 × 266,593.80
  4. Step 4: Simplify right side
    476,545.80x = 190,704,435,769.98
  5. Step 5: Solve for x
    x = 190,704,435,769.98/476,545.80
  6. Step 6: Final answer
    x = 400,180.71

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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.