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Finding the Fourth Proportional to 317,069.39, 437,531.47 and 181,084.56

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Solution

The fourth proportional to 317,069.39, 437,531.47 and 181,084.56 is: 249,882.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,069.39 : 437,531.47 = 181,084.56 : x
  2. Step 2: Convert to fraction form
    317,069.39/437,531.47 = 181,084.56/x
  3. Step 3: Cross multiply
    317,069.39x = 437,531.47 × 181,084.56
  4. Step 4: Simplify right side
    317,069.39x = 79,230,193,731.10
  5. Step 5: Solve for x
    x = 79,230,193,731.10/317,069.39
  6. Step 6: Final answer
    x = 249,882.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.