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Finding the Fourth Proportional to 581,480.82, 872,237.61 and 160,756.65

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Solution

The fourth proportional to 581,480.82, 872,237.61 and 160,756.65 is: 241,139.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,480.82 : 872,237.61 = 160,756.65 : x
  2. Step 2: Convert to fraction form
    581,480.82/872,237.61 = 160,756.65/x
  3. Step 3: Cross multiply
    581,480.82x = 872,237.61 × 160,756.65
  4. Step 4: Simplify right side
    581,480.82x = 140,217,996,187.61
  5. Step 5: Solve for x
    x = 140,217,996,187.61/581,480.82
  6. Step 6: Final answer
    x = 241,139.50

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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.