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Finding the Fourth Proportional to 297,382.32, 410,250.72 and 189,898.56

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Solution

The fourth proportional to 297,382.32, 410,250.72 and 189,898.56 is: 261,972.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,382.32 : 410,250.72 = 189,898.56 : x
  2. Step 2: Convert to fraction form
    297,382.32/410,250.72 = 189,898.56/x
  3. Step 3: Cross multiply
    297,382.32x = 410,250.72 × 189,898.56
  4. Step 4: Simplify right side
    297,382.32x = 77,906,020,966.96
  5. Step 5: Solve for x
    x = 77,906,020,966.96/297,382.32
  6. Step 6: Final answer
    x = 261,972.60

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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.