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Finding the Fourth Proportional to 310,230.92, 464,427.84 and 191,520.56

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Solution

The fourth proportional to 310,230.92, 464,427.84 and 191,520.56 is: 286,713.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,230.92 : 464,427.84 = 191,520.56 : x
  2. Step 2: Convert to fraction form
    310,230.92/464,427.84 = 191,520.56/x
  3. Step 3: Cross multiply
    310,230.92x = 464,427.84 × 191,520.56
  4. Step 4: Simplify right side
    310,230.92x = 88,947,479,996.39
  5. Step 5: Solve for x
    x = 88,947,479,996.39/310,230.92
  6. Step 6: Final answer
    x = 286,713.78

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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.