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Finding the Fourth Proportional to 317,202.63, 437,737.59 and 181,278.15

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Solution

The fourth proportional to 317,202.63, 437,737.59 and 181,278.15 is: 250,162.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,202.63 : 437,737.59 = 181,278.15 : x
  2. Step 2: Convert to fraction form
    317,202.63/437,737.59 = 181,278.15/x
  3. Step 3: Cross multiply
    317,202.63x = 437,737.59 × 181,278.15
  4. Step 4: Simplify right side
    317,202.63x = 79,352,260,500.66
  5. Step 5: Solve for x
    x = 79,352,260,500.66/317,202.63
  6. Step 6: Final answer
    x = 250,162.68

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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.