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Finding the Fourth Proportional to 502,060.80, 753,091.20 and 169,636.80

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Solution

The fourth proportional to 502,060.80, 753,091.20 and 169,636.80 is: 254,455.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,060.80 : 753,091.20 = 169,636.80 : x
  2. Step 2: Convert to fraction form
    502,060.80/753,091.20 = 169,636.80/x
  3. Step 3: Cross multiply
    502,060.80x = 753,091.20 × 169,636.80
  4. Step 4: Simplify right side
    502,060.80x = 127,751,981,276.16
  5. Step 5: Solve for x
    x = 127,751,981,276.16/502,060.80
  6. Step 6: Final answer
    x = 254,455.20

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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.