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Finding the Fourth Proportional to 317,336.11, 437,962.61 and 181,375.80

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Solution

The fourth proportional to 317,336.11, 437,962.61 and 181,375.80 is: 250,320.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,336.11 : 437,962.61 = 181,375.80 : x
  2. Step 2: Convert to fraction form
    317,336.11/437,962.61 = 181,375.80/x
  3. Step 3: Cross multiply
    317,336.11x = 437,962.61 × 181,375.80
  4. Step 4: Simplify right side
    317,336.11x = 79,435,818,758.84
  5. Step 5: Solve for x
    x = 79,435,818,758.84/317,336.11
  6. Step 6: Final answer
    x = 250,320.77

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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.