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Finding the Fourth Proportional to 227,275.92, 313,380.84 and 145,496.76

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Solution

The fourth proportional to 227,275.92, 313,380.84 and 145,496.76 is: 200,619.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,275.92 : 313,380.84 = 145,496.76 : x
  2. Step 2: Convert to fraction form
    227,275.92/313,380.84 = 145,496.76/x
  3. Step 3: Cross multiply
    227,275.92x = 313,380.84 × 145,496.76
  4. Step 4: Simplify right side
    227,275.92x = 45,595,896,866.08
  5. Step 5: Solve for x
    x = 45,595,896,866.08/227,275.92
  6. Step 6: Final answer
    x = 200,619.13

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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.