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Finding the Fourth Proportional to 317,718.50, 476,687.12 and 199,251.14

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Solution

The fourth proportional to 317,718.50, 476,687.12 and 199,251.14 is: 298,945.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,718.50 : 476,687.12 = 199,251.14 : x
  2. Step 2: Convert to fraction form
    317,718.50/476,687.12 = 199,251.14/x
  3. Step 3: Cross multiply
    317,718.50x = 476,687.12 × 199,251.14
  4. Step 4: Simplify right side
    317,718.50x = 94,980,448,703.63
  5. Step 5: Solve for x
    x = 94,980,448,703.63/317,718.50
  6. Step 6: Final answer
    x = 298,945.29

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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.