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Finding the Fourth Proportional to 276,566.58, 381,674.79 and 167,674.32

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Solution

The fourth proportional to 276,566.58, 381,674.79 and 167,674.32 is: 231,398.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,566.58 : 381,674.79 = 167,674.32 : x
  2. Step 2: Convert to fraction form
    276,566.58/381,674.79 = 167,674.32/x
  3. Step 3: Cross multiply
    276,566.58x = 381,674.79 × 167,674.32
  4. Step 4: Simplify right side
    276,566.58x = 63,997,060,874.39
  5. Step 5: Solve for x
    x = 63,997,060,874.39/276,566.58
  6. Step 6: Final answer
    x = 231,398.39

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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.