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Finding the Fourth Proportional to 501,270.40, 752,102.52 and 220,590.82

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Solution

The fourth proportional to 501,270.40, 752,102.52 and 220,590.82 is: 330,972.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,270.40 : 752,102.52 = 220,590.82 : x
  2. Step 2: Convert to fraction form
    501,270.40/752,102.52 = 220,590.82/x
  3. Step 3: Cross multiply
    501,270.40x = 752,102.52 × 220,590.82
  4. Step 4: Simplify right side
    501,270.40x = 165,906,911,610.87
  5. Step 5: Solve for x
    x = 165,906,911,610.87/501,270.40
  6. Step 6: Final answer
    x = 330,972.89

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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.