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Finding the Fourth Proportional to 317,370.15, 437,924.88 and 181,382.49

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Solution

The fourth proportional to 317,370.15, 437,924.88 and 181,382.49 is: 250,281.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,370.15 : 437,924.88 = 181,382.49 : x
  2. Step 2: Convert to fraction form
    317,370.15/437,924.88 = 181,382.49/x
  3. Step 3: Cross multiply
    317,370.15x = 437,924.88 × 181,382.49
  4. Step 4: Simplify right side
    317,370.15x = 79,431,905,167.35
  5. Step 5: Solve for x
    x = 79,431,905,167.35/317,370.15
  6. Step 6: Final answer
    x = 250,281.59

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1.5x scale

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.