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Finding the Fourth Proportional to 484,068.08, 726,171.24 and 151,670

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Solution

The fourth proportional to 484,068.08, 726,171.24 and 151,670 is: 227,526.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,068.08 : 726,171.24 = 151,670 : x
  2. Step 2: Convert to fraction form
    484,068.08/726,171.24 = 151,670/x
  3. Step 3: Cross multiply
    484,068.08x = 726,171.24 × 151,670
  4. Step 4: Simplify right side
    484,068.08x = 110,138,391,970.80
  5. Step 5: Solve for x
    x = 110,138,391,970.80/484,068.08
  6. Step 6: Final answer
    x = 227,526.66

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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.