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Finding the Fourth Proportional to 363,339.12, 501,404.36 and 202,191.41

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Solution

The fourth proportional to 363,339.12, 501,404.36 and 202,191.41 is: 279,022.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,339.12 : 501,404.36 = 202,191.41 : x
  2. Step 2: Convert to fraction form
    363,339.12/501,404.36 = 202,191.41/x
  3. Step 3: Cross multiply
    363,339.12x = 501,404.36 × 202,191.41
  4. Step 4: Simplify right side
    363,339.12x = 101,379,651,010.57
  5. Step 5: Solve for x
    x = 101,379,651,010.57/363,339.12
  6. Step 6: Final answer
    x = 279,022.12

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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.