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Finding the Fourth Proportional to 423,597.30, 635,518.96 and 170,747.29

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Solution

The fourth proportional to 423,597.30, 635,518.96 and 170,747.29 is: 256,170.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,597.30 : 635,518.96 = 170,747.29 : x
  2. Step 2: Convert to fraction form
    423,597.30/635,518.96 = 170,747.29/x
  3. Step 3: Cross multiply
    423,597.30x = 635,518.96 × 170,747.29
  4. Step 4: Simplify right side
    423,597.30x = 108,513,141,491.60
  5. Step 5: Solve for x
    x = 108,513,141,491.60/423,597.30
  6. Step 6: Final answer
    x = 256,170.52

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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.