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Finding the Fourth Proportional to 591,729.90, 887,594.85 and 493,314.90

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Solution

The fourth proportional to 591,729.90, 887,594.85 and 493,314.90 is: 739,972.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,729.90 : 887,594.85 = 493,314.90 : x
  2. Step 2: Convert to fraction form
    591,729.90/887,594.85 = 493,314.90/x
  3. Step 3: Cross multiply
    591,729.90x = 887,594.85 × 493,314.90
  4. Step 4: Simplify right side
    591,729.90x = 437,863,764,668.27
  5. Step 5: Solve for x
    x = 437,863,764,668.27/591,729.90
  6. Step 6: Final answer
    x = 739,972.35

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Double scale
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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.