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Finding the Fourth Proportional to 567,144.02, 782,713.92 and 423,654.96

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Solution

The fourth proportional to 567,144.02, 782,713.92 and 423,654.96 is: 584,685.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,144.02 : 782,713.92 = 423,654.96 : x
  2. Step 2: Convert to fraction form
    567,144.02/782,713.92 = 423,654.96/x
  3. Step 3: Cross multiply
    567,144.02x = 782,713.92 × 423,654.96
  4. Step 4: Simplify right side
    567,144.02x = 331,600,634,469.04
  5. Step 5: Solve for x
    x = 331,600,634,469.04/567,144.02
  6. Step 6: Final answer
    x = 584,685.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.