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Finding the Fourth Proportional to 477,369.52, 715,652.11 and 207,294.46

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Solution

The fourth proportional to 477,369.52, 715,652.11 and 207,294.46 is: 310,767.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,369.52 : 715,652.11 = 207,294.46 : x
  2. Step 2: Convert to fraction form
    477,369.52/715,652.11 = 207,294.46/x
  3. Step 3: Cross multiply
    477,369.52x = 715,652.11 × 207,294.46
  4. Step 4: Simplify right side
    477,369.52x = 148,350,715,382.94
  5. Step 5: Solve for x
    x = 148,350,715,382.94/477,369.52
  6. Step 6: Final answer
    x = 310,767.05

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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.