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Finding the Fourth Proportional to 464,472.38, 696,709.65 and 127,517.64

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Solution

The fourth proportional to 464,472.38, 696,709.65 and 127,517.64 is: 191,276.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,472.38 : 696,709.65 = 127,517.64 : x
  2. Step 2: Convert to fraction form
    464,472.38/696,709.65 = 127,517.64/x
  3. Step 3: Cross multiply
    464,472.38x = 696,709.65 × 127,517.64
  4. Step 4: Simplify right side
    464,472.38x = 88,842,772,117.75
  5. Step 5: Solve for x
    x = 88,842,772,117.75/464,472.38
  6. Step 6: Final answer
    x = 191,276.76

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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.