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Finding the Fourth Proportional to 588,891.70, 883,337.55 and 389,437.30

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Solution

The fourth proportional to 588,891.70, 883,337.55 and 389,437.30 is: 584,155.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    588,891.70 : 883,337.55 = 389,437.30 : x
  2. Step 2: Convert to fraction form
    588,891.70/883,337.55 = 389,437.30/x
  3. Step 3: Cross multiply
    588,891.70x = 883,337.55 × 389,437.30
  4. Step 4: Simplify right side
    588,891.70x = 344,004,590,460.62
  5. Step 5: Solve for x
    x = 344,004,590,460.62/588,891.70
  6. Step 6: Final answer
    x = 584,155.95

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Double scale
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Similar ratio
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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.