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Finding the Fourth Proportional to 363,065.75, 501,044.56 and 201,932.45

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Solution

The fourth proportional to 363,065.75, 501,044.56 and 201,932.45 is: 278,674.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,065.75 : 501,044.56 = 201,932.45 : x
  2. Step 2: Convert to fraction form
    363,065.75/501,044.56 = 201,932.45/x
  3. Step 3: Cross multiply
    363,065.75x = 501,044.56 × 201,932.45
  4. Step 4: Simplify right side
    363,065.75x = 101,177,155,559.97
  5. Step 5: Solve for x
    x = 101,177,155,559.97/363,065.75
  6. Step 6: Final answer
    x = 278,674.47

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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.