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Finding the Fourth Proportional to 408,899.30, 564,297.61 and 227,599.73

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Solution

The fourth proportional to 408,899.30, 564,297.61 and 227,599.73 is: 314,096.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,899.30 : 564,297.61 = 227,599.73 : x
  2. Step 2: Convert to fraction form
    408,899.30/564,297.61 = 227,599.73/x
  3. Step 3: Cross multiply
    408,899.30x = 564,297.61 × 227,599.73
  4. Step 4: Simplify right side
    408,899.30x = 128,433,983,675.65
  5. Step 5: Solve for x
    x = 128,433,983,675.65/408,899.30
  6. Step 6: Final answer
    x = 314,096.85

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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.