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Finding the Fourth Proportional to 272,470.92, 376,018.84 and 170,463.77

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Solution

The fourth proportional to 272,470.92, 376,018.84 and 170,463.77 is: 235,245.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,470.92 : 376,018.84 = 170,463.77 : x
  2. Step 2: Convert to fraction form
    272,470.92/376,018.84 = 170,463.77/x
  3. Step 3: Cross multiply
    272,470.92x = 376,018.84 × 170,463.77
  4. Step 4: Simplify right side
    272,470.92x = 64,097,589,057.43
  5. Step 5: Solve for x
    x = 64,097,589,057.43/272,470.92
  6. Step 6: Final answer
    x = 235,245.61

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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.