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Finding the Fourth Proportional to 250,678.91, 375,439.12 and 150,618.53

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Solution

The fourth proportional to 250,678.91, 375,439.12 and 150,618.53 is: 225,579.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,678.91 : 375,439.12 = 150,618.53 : x
  2. Step 2: Convert to fraction form
    250,678.91/375,439.12 = 150,618.53/x
  3. Step 3: Cross multiply
    250,678.91x = 375,439.12 × 150,618.53
  4. Step 4: Simplify right side
    250,678.91x = 56,548,088,920.95
  5. Step 5: Solve for x
    x = 56,548,088,920.95/250,678.91
  6. Step 6: Final answer
    x = 225,579.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.