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Finding the Fourth Proportional to 484,732.01, 727,430.09 and 169,188.89

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Solution

The fourth proportional to 484,732.01, 727,430.09 and 169,188.89 is: 253,899.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,732.01 : 727,430.09 = 169,188.89 : x
  2. Step 2: Convert to fraction form
    484,732.01/727,430.09 = 169,188.89/x
  3. Step 3: Cross multiply
    484,732.01x = 727,430.09 × 169,188.89
  4. Step 4: Simplify right side
    484,732.01x = 123,073,084,996.61
  5. Step 5: Solve for x
    x = 123,073,084,996.61/484,732.01
  6. Step 6: Final answer
    x = 253,899.23

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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.