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Finding the Fourth Proportional to 791,801.60, 1,187,702.40 and 735,814.40

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Solution

The fourth proportional to 791,801.60, 1,187,702.40 and 735,814.40 is: 1,103,721.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,801.60 : 1,187,702.40 = 735,814.40 : x
  2. Step 2: Convert to fraction form
    791,801.60/1,187,702.40 = 735,814.40/x
  3. Step 3: Cross multiply
    791,801.60x = 1,187,702.40 × 735,814.40
  4. Step 4: Simplify right side
    791,801.60x = 873,928,528,834.56
  5. Step 5: Solve for x
    x = 873,928,528,834.56/791,801.60
  6. Step 6: Final answer
    x = 1,103,721.60

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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.