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Finding the Fourth Proportional to 360,263.88, 497,189.88 and 199,115.43

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Solution

The fourth proportional to 360,263.88, 497,189.88 and 199,115.43 is: 274,793.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,263.88 : 497,189.88 = 199,115.43 : x
  2. Step 2: Convert to fraction form
    360,263.88/497,189.88 = 199,115.43/x
  3. Step 3: Cross multiply
    360,263.88x = 497,189.88 × 199,115.43
  4. Step 4: Simplify right side
    360,263.88x = 98,998,176,747.85
  5. Step 5: Solve for x
    x = 98,998,176,747.85/360,263.88
  6. Step 6: Final answer
    x = 274,793.51

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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.