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Finding the Fourth Proportional to 502,015.60, 752,517.96 and 221,483.44

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Solution

The fourth proportional to 502,015.60, 752,517.96 and 221,483.44 is: 332,002.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,015.60 : 752,517.96 = 221,483.44 : x
  2. Step 2: Convert to fraction form
    502,015.60/752,517.96 = 221,483.44/x
  3. Step 3: Cross multiply
    502,015.60x = 752,517.96 × 221,483.44
  4. Step 4: Simplify right side
    502,015.60x = 166,670,266,442.58
  5. Step 5: Solve for x
    x = 166,670,266,442.58/502,015.60
  6. Step 6: Final answer
    x = 332,002.17

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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.