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Finding the Fourth Proportional to 567,144.52, 782,714.60 and 423,655.46

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Solution

The fourth proportional to 567,144.52, 782,714.60 and 423,655.46 is: 584,685.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,144.52 : 782,714.60 = 423,655.46 : x
  2. Step 2: Convert to fraction form
    567,144.52/782,714.60 = 423,655.46/x
  3. Step 3: Cross multiply
    567,144.52x = 782,714.60 × 423,655.46
  4. Step 4: Simplify right side
    567,144.52x = 331,601,313,911.72
  5. Step 5: Solve for x
    x = 331,601,313,911.72/567,144.52
  6. Step 6: Final answer
    x = 584,685.74

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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.