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Finding the Fourth Proportional to 493,956.12, 681,655.68 and 267,600

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Solution

The fourth proportional to 493,956.12, 681,655.68 and 267,600 is: 369,285.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,956.12 : 681,655.68 = 267,600 : x
  2. Step 2: Convert to fraction form
    493,956.12/681,655.68 = 267,600/x
  3. Step 3: Cross multiply
    493,956.12x = 681,655.68 × 267,600
  4. Step 4: Simplify right side
    493,956.12x = 182,411,059,968
  5. Step 5: Solve for x
    x = 182,411,059,968/493,956.12
  6. Step 6: Final answer
    x = 369,285.96

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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.