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Finding the Fourth Proportional to 591,726.40, 887,589.60 and 493,311.40

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Solution

The fourth proportional to 591,726.40, 887,589.60 and 493,311.40 is: 739,967.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,726.40 : 887,589.60 = 493,311.40 : x
  2. Step 2: Convert to fraction form
    591,726.40/887,589.60 = 493,311.40/x
  3. Step 3: Cross multiply
    591,726.40x = 887,589.60 × 493,311.40
  4. Step 4: Simplify right side
    591,726.40x = 437,858,068,201.44
  5. Step 5: Solve for x
    x = 437,858,068,201.44/591,726.40
  6. Step 6: Final answer
    x = 739,967.10

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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.