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Finding the Fourth Proportional to 581,679.20, 872,529.72 and 182,311.10

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Solution

The fourth proportional to 581,679.20, 872,529.72 and 182,311.10 is: 273,470.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,679.20 : 872,529.72 = 182,311.10 : x
  2. Step 2: Convert to fraction form
    581,679.20/872,529.72 = 182,311.10/x
  3. Step 3: Cross multiply
    581,679.20x = 872,529.72 × 182,311.10
  4. Step 4: Simplify right side
    581,679.20x = 159,071,853,035.89
  5. Step 5: Solve for x
    x = 159,071,853,035.89/581,679.20
  6. Step 6: Final answer
    x = 273,470.07

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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.