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Finding the Fourth Proportional to 393,979.68, 591,187.68 and 244,300.32

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Solution

The fourth proportional to 393,979.68, 591,187.68 and 244,300.32 is: 366,585.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,979.68 : 591,187.68 = 244,300.32 : x
  2. Step 2: Convert to fraction form
    393,979.68/591,187.68 = 244,300.32/x
  3. Step 3: Cross multiply
    393,979.68x = 591,187.68 × 244,300.32
  4. Step 4: Simplify right side
    393,979.68x = 144,427,339,404.06
  5. Step 5: Solve for x
    x = 144,427,339,404.06/393,979.68
  6. Step 6: Final answer
    x = 366,585.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.