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Finding the Fourth Proportional to 581,732.61, 872,080.72 and 226,665.87

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Solution

The fourth proportional to 581,732.61, 872,080.72 and 226,665.87 is: 339,796.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,732.61 : 872,080.72 = 226,665.87 : x
  2. Step 2: Convert to fraction form
    581,732.61/872,080.72 = 226,665.87/x
  3. Step 3: Cross multiply
    581,732.61x = 872,080.72 × 226,665.87
  4. Step 4: Simplify right side
    581,732.61x = 197,670,933,975.70
  5. Step 5: Solve for x
    x = 197,670,933,975.70/581,732.61
  6. Step 6: Final answer
    x = 339,796.89

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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.