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Finding the Fourth Proportional to 576,902.20, 865,353.30 and 202,876.60

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Solution

The fourth proportional to 576,902.20, 865,353.30 and 202,876.60 is: 304,314.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,902.20 : 865,353.30 = 202,876.60 : x
  2. Step 2: Convert to fraction form
    576,902.20/865,353.30 = 202,876.60/x
  3. Step 3: Cross multiply
    576,902.20x = 865,353.30 × 202,876.60
  4. Step 4: Simplify right side
    576,902.20x = 175,559,935,302.78
  5. Step 5: Solve for x
    x = 175,559,935,302.78/576,902.20
  6. Step 6: Final answer
    x = 304,314.90

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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.