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Finding the Fourth Proportional to 587,418.30, 881,128.13 and 160,957.76

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Solution

The fourth proportional to 587,418.30, 881,128.13 and 160,957.76 is: 241,436.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,418.30 : 881,128.13 = 160,957.76 : x
  2. Step 2: Convert to fraction form
    587,418.30/881,128.13 = 160,957.76/x
  3. Step 3: Cross multiply
    587,418.30x = 881,128.13 × 160,957.76
  4. Step 4: Simplify right side
    587,418.30x = 141,824,404,867.36
  5. Step 5: Solve for x
    x = 141,824,404,867.36/587,418.30
  6. Step 6: Final answer
    x = 241,436.82

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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.