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Finding the Fourth Proportional to 317,016.84, 475,598.16 and 103,791.63

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Solution

The fourth proportional to 317,016.84, 475,598.16 and 103,791.63 is: 155,711.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,016.84 : 475,598.16 = 103,791.63 : x
  2. Step 2: Convert to fraction form
    317,016.84/475,598.16 = 103,791.63/x
  3. Step 3: Cross multiply
    317,016.84x = 475,598.16 × 103,791.63
  4. Step 4: Simplify right side
    317,016.84x = 49,363,108,251.40
  5. Step 5: Solve for x
    x = 49,363,108,251.40/317,016.84
  6. Step 6: Final answer
    x = 155,711.31

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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.