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Finding the Fourth Proportional to 656,893.80, 984,174.30 and 614,903.40

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Solution

The fourth proportional to 656,893.80, 984,174.30 and 614,903.40 is: 921,263.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,893.80 : 984,174.30 = 614,903.40 : x
  2. Step 2: Convert to fraction form
    656,893.80/984,174.30 = 614,903.40/x
  3. Step 3: Cross multiply
    656,893.80x = 984,174.30 × 614,903.40
  4. Step 4: Simplify right side
    656,893.80x = 605,172,123,262.62
  5. Step 5: Solve for x
    x = 605,172,123,262.62/656,893.80
  6. Step 6: Final answer
    x = 921,263.26

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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.