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Finding the Fourth Proportional to 502,077.40, 753,116.10 and 169,648.60

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Solution

The fourth proportional to 502,077.40, 753,116.10 and 169,648.60 is: 254,472.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,077.40 : 753,116.10 = 169,648.60 : x
  2. Step 2: Convert to fraction form
    502,077.40/753,116.10 = 169,648.60/x
  3. Step 3: Cross multiply
    502,077.40x = 753,116.10 × 169,648.60
  4. Step 4: Simplify right side
    502,077.40x = 127,765,092,002.46
  5. Step 5: Solve for x
    x = 127,765,092,002.46/502,077.40
  6. Step 6: Final answer
    x = 254,472.90

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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.