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Finding the Fourth Proportional to 317,253.12, 437,821.56 and 174,019.20

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Solution

The fourth proportional to 317,253.12, 437,821.56 and 174,019.20 is: 240,153.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,253.12 : 437,821.56 = 174,019.20 : x
  2. Step 2: Convert to fraction form
    317,253.12/437,821.56 = 174,019.20/x
  3. Step 3: Cross multiply
    317,253.12x = 437,821.56 × 174,019.20
  4. Step 4: Simplify right side
    317,253.12x = 76,189,357,613.95
  5. Step 5: Solve for x
    x = 76,189,357,613.95/317,253.12
  6. Step 6: Final answer
    x = 240,153.22

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