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Finding the Fourth Proportional to 477,369.77, 715,652.49 and 207,294.71

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Solution

The fourth proportional to 477,369.77, 715,652.49 and 207,294.71 is: 310,767.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,369.77 : 715,652.49 = 207,294.71 : x
  2. Step 2: Convert to fraction form
    477,369.77/715,652.49 = 207,294.71/x
  3. Step 3: Cross multiply
    477,369.77x = 715,652.49 × 207,294.71
  4. Step 4: Simplify right side
    477,369.77x = 148,350,975,375.33
  5. Step 5: Solve for x
    x = 148,350,975,375.33/477,369.77
  6. Step 6: Final answer
    x = 310,767.43

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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.