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Finding the Fourth Proportional to 264,331.52, 396,495.44 and 64,654.78

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Solution

The fourth proportional to 264,331.52, 396,495.44 and 64,654.78 is: 96,981.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,331.52 : 396,495.44 = 64,654.78 : x
  2. Step 2: Convert to fraction form
    264,331.52/396,495.44 = 64,654.78/x
  3. Step 3: Cross multiply
    264,331.52x = 396,495.44 × 64,654.78
  4. Step 4: Simplify right side
    264,331.52x = 25,635,325,444.20
  5. Step 5: Solve for x
    x = 25,635,325,444.20/264,331.52
  6. Step 6: Final answer
    x = 96,981.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.