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Finding the Fourth Proportional to 398,788.97, 597,804.84 and 159,050.03

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Solution

The fourth proportional to 398,788.97, 597,804.84 and 159,050.03 is: 238,424.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,788.97 : 597,804.84 = 159,050.03 : x
  2. Step 2: Convert to fraction form
    398,788.97/597,804.84 = 159,050.03/x
  3. Step 3: Cross multiply
    398,788.97x = 597,804.84 × 159,050.03
  4. Step 4: Simplify right side
    398,788.97x = 95,080,874,747.12
  5. Step 5: Solve for x
    x = 95,080,874,747.12/398,788.97
  6. Step 6: Final answer
    x = 238,424.04

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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.