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Finding the Fourth Proportional to 372,220.81, 558,105.97 and 167,017.85

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Solution

The fourth proportional to 372,220.81, 558,105.97 and 167,017.85 is: 250,425.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,220.81 : 558,105.97 = 167,017.85 : x
  2. Step 2: Convert to fraction form
    372,220.81/558,105.97 = 167,017.85/x
  3. Step 3: Cross multiply
    372,220.81x = 558,105.97 × 167,017.85
  4. Step 4: Simplify right side
    372,220.81x = 93,213,655,973.49
  5. Step 5: Solve for x
    x = 93,213,655,973.49/372,220.81
  6. Step 6: Final answer
    x = 250,425.70

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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.