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Finding the Fourth Proportional to 423,695.13, 635,534.46 and 170,968.92

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Solution

The fourth proportional to 423,695.13, 635,534.46 and 170,968.92 is: 256,450.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,695.13 : 635,534.46 = 170,968.92 : x
  2. Step 2: Convert to fraction form
    423,695.13/635,534.46 = 170,968.92/x
  3. Step 3: Cross multiply
    423,695.13x = 635,534.46 × 170,968.92
  4. Step 4: Simplify right side
    423,695.13x = 108,656,640,248.98
  5. Step 5: Solve for x
    x = 108,656,640,248.98/423,695.13
  6. Step 6: Final answer
    x = 256,450.06

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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.