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Finding the Fourth Proportional to 317,356.56, 437,952.05 and 181,393.43

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Solution

The fourth proportional to 317,356.56, 437,952.05 and 181,393.43 is: 250,322.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,356.56 : 437,952.05 = 181,393.43 : x
  2. Step 2: Convert to fraction form
    317,356.56/437,952.05 = 181,393.43/x
  3. Step 3: Cross multiply
    317,356.56x = 437,952.05 × 181,393.43
  4. Step 4: Simplify right side
    317,356.56x = 79,441,622,108.53
  5. Step 5: Solve for x
    x = 79,441,622,108.53/317,356.56
  6. Step 6: Final answer
    x = 250,322.92

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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.