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Finding the Fourth Proportional to 477,426.55, 715,694.91 and 327,737.34

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Solution

The fourth proportional to 477,426.55, 715,694.91 and 327,737.34 is: 491,300.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,426.55 : 715,694.91 = 327,737.34 : x
  2. Step 2: Convert to fraction form
    477,426.55/715,694.91 = 327,737.34/x
  3. Step 3: Cross multiply
    477,426.55x = 715,694.91 × 327,737.34
  4. Step 4: Simplify right side
    477,426.55x = 234,559,940,837.78
  5. Step 5: Solve for x
    x = 234,559,940,837.78/477,426.55
  6. Step 6: Final answer
    x = 491,300.58

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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.