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Finding the Fourth Proportional to 372,793.49, 514,469.58 and 211,663.55

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Solution

The fourth proportional to 372,793.49, 514,469.58 and 211,663.55 is: 292,103.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,793.49 : 514,469.58 = 211,663.55 : x
  2. Step 2: Convert to fraction form
    372,793.49/514,469.58 = 211,663.55/x
  3. Step 3: Cross multiply
    372,793.49x = 514,469.58 × 211,663.55
  4. Step 4: Simplify right side
    372,793.49x = 108,894,455,097.46
  5. Step 5: Solve for x
    x = 108,894,455,097.46/372,793.49
  6. Step 6: Final answer
    x = 292,103.96

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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.