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Finding the Fourth Proportional to 381,599.14, 526,545.48 and 220,475.56

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Solution

The fourth proportional to 381,599.14, 526,545.48 and 220,475.56 is: 304,220.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,599.14 : 526,545.48 = 220,475.56 : x
  2. Step 2: Convert to fraction form
    381,599.14/526,545.48 = 220,475.56/x
  3. Step 3: Cross multiply
    381,599.14x = 526,545.48 × 220,475.56
  4. Step 4: Simplify right side
    381,599.14x = 116,090,409,568.47
  5. Step 5: Solve for x
    x = 116,090,409,568.47/381,599.14
  6. Step 6: Final answer
    x = 304,220.84

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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.