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Finding the Fourth Proportional to 532,644.40, 798,966.60 and 461,105.20

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Solution

The fourth proportional to 532,644.40, 798,966.60 and 461,105.20 is: 691,657.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,644.40 : 798,966.60 = 461,105.20 : x
  2. Step 2: Convert to fraction form
    532,644.40/798,966.60 = 461,105.20/x
  3. Step 3: Cross multiply
    532,644.40x = 798,966.60 × 461,105.20
  4. Step 4: Simplify right side
    532,644.40x = 368,407,653,886.32
  5. Step 5: Solve for x
    x = 368,407,653,886.32/532,644.40
  6. Step 6: Final answer
    x = 691,657.80

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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.