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Finding the Fourth Proportional to 955,567.72, 1,318,737.90 and 547,737.40

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Solution

The fourth proportional to 955,567.72, 1,318,737.90 and 547,737.40 is: 755,908.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    955,567.72 : 1,318,737.90 = 547,737.40 : x
  2. Step 2: Convert to fraction form
    955,567.72/1,318,737.90 = 547,737.40/x
  3. Step 3: Cross multiply
    955,567.72x = 1,318,737.90 × 547,737.40
  4. Step 4: Simplify right side
    955,567.72x = 722,322,068,627.46
  5. Step 5: Solve for x
    x = 722,322,068,627.46/955,567.72
  6. Step 6: Final answer
    x = 755,908.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.