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Finding the Fourth Proportional to 366,947.40, 550,161.90 and 167,363.40

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Solution

The fourth proportional to 366,947.40, 550,161.90 and 167,363.40 is: 250,926.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,947.40 : 550,161.90 = 167,363.40 : x
  2. Step 2: Convert to fraction form
    366,947.40/550,161.90 = 167,363.40/x
  3. Step 3: Cross multiply
    366,947.40x = 550,161.90 × 167,363.40
  4. Step 4: Simplify right side
    366,947.40x = 92,076,966,134.46
  5. Step 5: Solve for x
    x = 92,076,966,134.46/366,947.40
  6. Step 6: Final answer
    x = 250,926.88

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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.