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Finding the Fourth Proportional to 392,520.04, 588,637.28 and 167,896.92

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Solution

The fourth proportional to 392,520.04, 588,637.28 and 167,896.92 is: 251,784.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,520.04 : 588,637.28 = 167,896.92 : x
  2. Step 2: Convert to fraction form
    392,520.04/588,637.28 = 167,896.92/x
  3. Step 3: Cross multiply
    392,520.04x = 588,637.28 × 167,896.92
  4. Step 4: Simplify right side
    392,520.04x = 98,830,386,309.18
  5. Step 5: Solve for x
    x = 98,830,386,309.18/392,520.04
  6. Step 6: Final answer
    x = 251,784.31

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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.