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Finding the Fourth Proportional to 270,951.70, 406,427.55 and 170,787.10

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Solution

The fourth proportional to 270,951.70, 406,427.55 and 170,787.10 is: 256,180.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,951.70 : 406,427.55 = 170,787.10 : x
  2. Step 2: Convert to fraction form
    270,951.70/406,427.55 = 170,787.10/x
  3. Step 3: Cross multiply
    270,951.70x = 406,427.55 × 170,787.10
  4. Step 4: Simplify right side
    270,951.70x = 69,412,582,624.61
  5. Step 5: Solve for x
    x = 69,412,582,624.61/270,951.70
  6. Step 6: Final answer
    x = 256,180.65

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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.