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Finding the Fourth Proportional to 567,142.03, 782,711.15 and 423,652.96

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Solution

The fourth proportional to 567,142.03, 782,711.15 and 423,652.96 is: 584,682.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,142.03 : 782,711.15 = 423,652.96 : x
  2. Step 2: Convert to fraction form
    567,142.03/782,711.15 = 423,652.96/x
  3. Step 3: Cross multiply
    567,142.03x = 782,711.15 × 423,652.96
  4. Step 4: Simplify right side
    567,142.03x = 331,597,891,608.95
  5. Step 5: Solve for x
    x = 331,597,891,608.95/567,142.03
  6. Step 6: Final answer
    x = 584,682.28

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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.