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Finding the Fourth Proportional to 344,491.76, 475,438 and 191,545.20

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Solution

The fourth proportional to 344,491.76, 475,438 and 191,545.20 is: 264,354.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,491.76 : 475,438 = 191,545.20 : x
  2. Step 2: Convert to fraction form
    344,491.76/475,438 = 191,545.20/x
  3. Step 3: Cross multiply
    344,491.76x = 475,438 × 191,545.20
  4. Step 4: Simplify right side
    344,491.76x = 91,067,866,797.60
  5. Step 5: Solve for x
    x = 91,067,866,797.60/344,491.76
  6. Step 6: Final answer
    x = 264,354.27

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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.