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Finding the Fourth Proportional to 363,203.55, 501,227.64 and 202,073.61

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Solution

The fourth proportional to 363,203.55, 501,227.64 and 202,073.61 is: 278,865.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,203.55 : 501,227.64 = 202,073.61 : x
  2. Step 2: Convert to fraction form
    363,203.55/501,227.64 = 202,073.61/x
  3. Step 3: Cross multiply
    363,203.55x = 501,227.64 × 202,073.61
  4. Step 4: Simplify right side
    363,203.55x = 101,284,878,646.58
  5. Step 5: Solve for x
    x = 101,284,878,646.58/363,203.55
  6. Step 6: Final answer
    x = 278,865.33

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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.