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Finding the Fourth Proportional to 464,369.61, 696,555.15 and 127,414.88

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Solution

The fourth proportional to 464,369.61, 696,555.15 and 127,414.88 is: 191,122.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,369.61 : 696,555.15 = 127,414.88 : x
  2. Step 2: Convert to fraction form
    464,369.61/696,555.15 = 127,414.88/x
  3. Step 3: Cross multiply
    464,369.61x = 696,555.15 × 127,414.88
  4. Step 4: Simplify right side
    464,369.61x = 88,751,487,367.86
  5. Step 5: Solve for x
    x = 88,751,487,367.86/464,369.61
  6. Step 6: Final answer
    x = 191,122.51

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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.