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Finding the Fourth Proportional to 363,073.61, 501,048.02 and 201,928.75

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Solution

The fourth proportional to 363,073.61, 501,048.02 and 201,928.75 is: 278,665.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,073.61 : 501,048.02 = 201,928.75 : x
  2. Step 2: Convert to fraction form
    363,073.61/501,048.02 = 201,928.75/x
  3. Step 3: Cross multiply
    363,073.61x = 501,048.02 × 201,928.75
  4. Step 4: Simplify right side
    363,073.61x = 101,175,999,620.78
  5. Step 5: Solve for x
    x = 101,175,999,620.78/363,073.61
  6. Step 6: Final answer
    x = 278,665.25

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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.