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Finding the Fourth Proportional to 344,443.14, 475,337.16 and 189,401.04

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Solution

The fourth proportional to 344,443.14, 475,337.16 and 189,401.04 is: 261,376.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,443.14 : 475,337.16 = 189,401.04 : x
  2. Step 2: Convert to fraction form
    344,443.14/475,337.16 = 189,401.04/x
  3. Step 3: Cross multiply
    344,443.14x = 475,337.16 × 189,401.04
  4. Step 4: Simplify right side
    344,443.14x = 90,029,352,454.65
  5. Step 5: Solve for x
    x = 90,029,352,454.65/344,443.14
  6. Step 6: Final answer
    x = 261,376.53

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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.