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Finding the Fourth Proportional to 492,991.32, 739,572.03 and 156,026.46

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Solution

The fourth proportional to 492,991.32, 739,572.03 and 156,026.46 is: 234,066.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,991.32 : 739,572.03 = 156,026.46 : x
  2. Step 2: Convert to fraction form
    492,991.32/739,572.03 = 156,026.46/x
  3. Step 3: Cross multiply
    492,991.32x = 739,572.03 × 156,026.46
  4. Step 4: Simplify right side
    492,991.32x = 115,392,805,755.91
  5. Step 5: Solve for x
    x = 115,392,805,755.91/492,991.32
  6. Step 6: Final answer
    x = 234,066.61

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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.