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Finding the Fourth Proportional to 552,654.57, 762,657.91 and 307,635.44

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Solution

The fourth proportional to 552,654.57, 762,657.91 and 307,635.44 is: 424,533.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,654.57 : 762,657.91 = 307,635.44 : x
  2. Step 2: Convert to fraction form
    552,654.57/762,657.91 = 307,635.44/x
  3. Step 3: Cross multiply
    552,654.57x = 762,657.91 × 307,635.44
  4. Step 4: Simplify right side
    552,654.57x = 234,620,603,150.35
  5. Step 5: Solve for x
    x = 234,620,603,150.35/552,654.57
  6. Step 6: Final answer
    x = 424,533.91

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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.