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Finding the Fourth Proportional to 423,598.30, 635,520.46 and 170,748.29

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Solution

The fourth proportional to 423,598.30, 635,520.46 and 170,748.29 is: 256,172.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,598.30 : 635,520.46 = 170,748.29 : x
  2. Step 2: Convert to fraction form
    423,598.30/635,520.46 = 170,748.29/x
  3. Step 3: Cross multiply
    423,598.30x = 635,520.46 × 170,748.29
  4. Step 4: Simplify right side
    423,598.30x = 108,514,031,805.01
  5. Step 5: Solve for x
    x = 108,514,031,805.01/423,598.30
  6. Step 6: Final answer
    x = 256,172.02

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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.