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Finding the Fourth Proportional to 464,473.78, 696,711.74 and 127,519.04

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Solution

The fourth proportional to 464,473.78, 696,711.74 and 127,519.04 is: 191,278.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,473.78 : 696,711.74 = 127,519.04 : x
  2. Step 2: Convert to fraction form
    464,473.78/696,711.74 = 127,519.04/x
  3. Step 3: Cross multiply
    464,473.78x = 696,711.74 × 127,519.04
  4. Step 4: Simplify right side
    464,473.78x = 88,844,013,345.71
  5. Step 5: Solve for x
    x = 88,844,013,345.71/464,473.78
  6. Step 6: Final answer
    x = 191,278.86

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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.