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Finding the Fourth Proportional to 464,476.52, 696,715.85 and 127,521.79

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Solution

The fourth proportional to 464,476.52, 696,715.85 and 127,521.79 is: 191,282.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,476.52 : 696,715.85 = 127,521.79 : x
  2. Step 2: Convert to fraction form
    464,476.52/696,715.85 = 127,521.79/x
  3. Step 3: Cross multiply
    464,476.52x = 696,715.85 × 127,521.79
  4. Step 4: Simplify right side
    464,476.52x = 88,846,449,933.97
  5. Step 5: Solve for x
    x = 88,846,449,933.97/464,476.52
  6. Step 6: Final answer
    x = 191,282.97

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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.