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Finding the Fourth Proportional to 581,751.28, 872,646 and 160,991.92

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Solution

The fourth proportional to 581,751.28, 872,646 and 160,991.92 is: 241,493.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,751.28 : 872,646 = 160,991.92 : x
  2. Step 2: Convert to fraction form
    581,751.28/872,646 = 160,991.92/x
  3. Step 3: Cross multiply
    581,751.28x = 872,646 × 160,991.92
  4. Step 4: Simplify right side
    581,751.28x = 140,488,955,020.32
  5. Step 5: Solve for x
    x = 140,488,955,020.32/581,751.28
  6. Step 6: Final answer
    x = 241,493.16

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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.