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Finding the Fourth Proportional to 317,283.75, 437,843.57 and 181,309.05

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Solution

The fourth proportional to 317,283.75, 437,843.57 and 181,309.05 is: 250,201.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,283.75 : 437,843.57 = 181,309.05 : x
  2. Step 2: Convert to fraction form
    317,283.75/437,843.57 = 181,309.05/x
  3. Step 3: Cross multiply
    317,283.75x = 437,843.57 × 181,309.05
  4. Step 4: Simplify right side
    317,283.75x = 79,385,000,818.76
  5. Step 5: Solve for x
    x = 79,385,000,818.76/317,283.75
  6. Step 6: Final answer
    x = 250,201.91

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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.