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Finding the Fourth Proportional to 641,714.40, 962,571.60 and 452,757.60

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Solution

The fourth proportional to 641,714.40, 962,571.60 and 452,757.60 is: 679,136.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,714.40 : 962,571.60 = 452,757.60 : x
  2. Step 2: Convert to fraction form
    641,714.40/962,571.60 = 452,757.60/x
  3. Step 3: Cross multiply
    641,714.40x = 962,571.60 × 452,757.60
  4. Step 4: Simplify right side
    641,714.40x = 435,811,607,444.16
  5. Step 5: Solve for x
    x = 435,811,607,444.16/641,714.40
  6. Step 6: Final answer
    x = 679,136.40

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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.