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Finding the Fourth Proportional to 591,714.20, 887,571.30 and 402,757.40

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Solution

The fourth proportional to 591,714.20, 887,571.30 and 402,757.40 is: 604,136.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,714.20 : 887,571.30 = 402,757.40 : x
  2. Step 2: Convert to fraction form
    591,714.20/887,571.30 = 402,757.40/x
  3. Step 3: Cross multiply
    591,714.20x = 887,571.30 × 402,757.40
  4. Step 4: Simplify right side
    591,714.20x = 357,475,909,102.62
  5. Step 5: Solve for x
    x = 357,475,909,102.62/591,714.20
  6. Step 6: Final answer
    x = 604,136.10

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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.