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Finding the Fourth Proportional to 586,697.80, 880,046.70 and 383,744.20

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Solution

The fourth proportional to 586,697.80, 880,046.70 and 383,744.20 is: 575,616.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,697.80 : 880,046.70 = 383,744.20 : x
  2. Step 2: Convert to fraction form
    586,697.80/880,046.70 = 383,744.20/x
  3. Step 3: Cross multiply
    586,697.80x = 880,046.70 × 383,744.20
  4. Step 4: Simplify right side
    586,697.80x = 337,712,816,854.14
  5. Step 5: Solve for x
    x = 337,712,816,854.14/586,697.80
  6. Step 6: Final answer
    x = 575,616.30

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Similar ratio
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1.5x scale

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.