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Finding the Fourth Proportional to 352,760.52, 486,622.90 and 223,470.92

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Solution

The fourth proportional to 352,760.52, 486,622.90 and 223,470.92 is: 308,271.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,760.52 : 486,622.90 = 223,470.92 : x
  2. Step 2: Convert to fraction form
    352,760.52/486,622.90 = 223,470.92/x
  3. Step 3: Cross multiply
    352,760.52x = 486,622.90 × 223,470.92
  4. Step 4: Simplify right side
    352,760.52x = 108,746,067,156.07
  5. Step 5: Solve for x
    x = 108,746,067,156.07/352,760.52
  6. Step 6: Final answer
    x = 308,271.65

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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.