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Finding the Fourth Proportional to 656,323.80, 984,704.40 and 585,772.80

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Solution

The fourth proportional to 656,323.80, 984,704.40 and 585,772.80 is: 878,854.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,323.80 : 984,704.40 = 585,772.80 : x
  2. Step 2: Convert to fraction form
    656,323.80/984,704.40 = 585,772.80/x
  3. Step 3: Cross multiply
    656,323.80x = 984,704.40 × 585,772.80
  4. Step 4: Simplify right side
    656,323.80x = 576,813,053,560.32
  5. Step 5: Solve for x
    x = 576,813,053,560.32/656,323.80
  6. Step 6: Final answer
    x = 878,854.39

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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.