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Finding the Fourth Proportional to 261,471.95, 360,892.83 and 159,581.64

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Solution

The fourth proportional to 261,471.95, 360,892.83 and 159,581.64 is: 220,260.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,471.95 : 360,892.83 = 159,581.64 : x
  2. Step 2: Convert to fraction form
    261,471.95/360,892.83 = 159,581.64/x
  3. Step 3: Cross multiply
    261,471.95x = 360,892.83 × 159,581.64
  4. Step 4: Simplify right side
    261,471.95x = 57,591,869,675.64
  5. Step 5: Solve for x
    x = 57,591,869,675.64/261,471.95
  6. Step 6: Final answer
    x = 220,260.23

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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.