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Finding the Fourth Proportional to 363,092.34, 500,862.91 and 217,860.56

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Solution

The fourth proportional to 363,092.34, 500,862.91 and 217,860.56 is: 300,524.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,092.34 : 500,862.91 = 217,860.56 : x
  2. Step 2: Convert to fraction form
    363,092.34/500,862.91 = 217,860.56/x
  3. Step 3: Cross multiply
    363,092.34x = 500,862.91 × 217,860.56
  4. Step 4: Simplify right side
    363,092.34x = 109,118,270,462.21
  5. Step 5: Solve for x
    x = 109,118,270,462.21/363,092.34
  6. Step 6: Final answer
    x = 300,524.85

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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.