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Finding the Fourth Proportional to 656,324.80, 984,705.90 and 585,773.80

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Solution

The fourth proportional to 656,324.80, 984,705.90 and 585,773.80 is: 878,855.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,324.80 : 984,705.90 = 585,773.80 : x
  2. Step 2: Convert to fraction form
    656,324.80/984,705.90 = 585,773.80/x
  3. Step 3: Cross multiply
    656,324.80x = 984,705.90 × 585,773.80
  4. Step 4: Simplify right side
    656,324.80x = 576,814,916,925.42
  5. Step 5: Solve for x
    x = 576,814,916,925.42/656,324.80
  6. Step 6: Final answer
    x = 878,855.89

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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.