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Finding the Fourth Proportional to 502,297.60, 752,977.92 and 169,640.96

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Solution

The fourth proportional to 502,297.60, 752,977.92 and 169,640.96 is: 254,303.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,297.60 : 752,977.92 = 169,640.96 : x
  2. Step 2: Convert to fraction form
    502,297.60/752,977.92 = 169,640.96/x
  3. Step 3: Cross multiply
    502,297.60x = 752,977.92 × 169,640.96
  4. Step 4: Simplify right side
    502,297.60x = 127,735,897,207.60
  5. Step 5: Solve for x
    x = 127,735,897,207.60/502,297.60
  6. Step 6: Final answer
    x = 254,303.22

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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.