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Finding the Fourth Proportional to 363,015.27, 500,954.22 and 201,868.91

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Solution

The fourth proportional to 363,015.27, 500,954.22 and 201,868.91 is: 278,575.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,015.27 : 500,954.22 = 201,868.91 : x
  2. Step 2: Convert to fraction form
    363,015.27/500,954.22 = 201,868.91/x
  3. Step 3: Cross multiply
    363,015.27x = 500,954.22 × 201,868.91
  4. Step 4: Simplify right side
    363,015.27x = 101,127,081,725.11
  5. Step 5: Solve for x
    x = 101,127,081,725.11/363,015.27
  6. Step 6: Final answer
    x = 278,575.28

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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.