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Finding the Fourth Proportional to 629,966.10, 944,703.45 and 274,737.90

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Solution

The fourth proportional to 629,966.10, 944,703.45 and 274,737.90 is: 411,999.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,966.10 : 944,703.45 = 274,737.90 : x
  2. Step 2: Convert to fraction form
    629,966.10/944,703.45 = 274,737.90/x
  3. Step 3: Cross multiply
    629,966.10x = 944,703.45 × 274,737.90
  4. Step 4: Simplify right side
    629,966.10x = 259,545,841,975.76
  5. Step 5: Solve for x
    x = 259,545,841,975.76/629,966.10
  6. Step 6: Final answer
    x = 411,999.70

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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.