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Finding the Fourth Proportional to 535,062.40, 802,732.80 and 155,974.56

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Solution

The fourth proportional to 535,062.40, 802,732.80 and 155,974.56 is: 234,002.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,062.40 : 802,732.80 = 155,974.56 : x
  2. Step 2: Convert to fraction form
    535,062.40/802,732.80 = 155,974.56/x
  3. Step 3: Cross multiply
    535,062.40x = 802,732.80 × 155,974.56
  4. Step 4: Simplify right side
    535,062.40x = 125,205,895,277.57
  5. Step 5: Solve for x
    x = 125,205,895,277.57/535,062.40
  6. Step 6: Final answer
    x = 234,002.42

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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.