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Finding the Fourth Proportional to 501,939.74, 752,854.50 and 146,957.24

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Solution

The fourth proportional to 501,939.74, 752,854.50 and 146,957.24 is: 220,419.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,939.74 : 752,854.50 = 146,957.24 : x
  2. Step 2: Convert to fraction form
    501,939.74/752,854.50 = 146,957.24/x
  3. Step 3: Cross multiply
    501,939.74x = 752,854.50 × 146,957.24
  4. Step 4: Simplify right side
    501,939.74x = 110,637,419,441.58
  5. Step 5: Solve for x
    x = 110,637,419,441.58/501,939.74
  6. Step 6: Final answer
    x = 220,419.72

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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.