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Finding the Fourth Proportional to 322,048.23, 443,695.43 and 249,200.61

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Solution

The fourth proportional to 322,048.23, 443,695.43 and 249,200.61 is: 343,331.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,048.23 : 443,695.43 = 249,200.61 : x
  2. Step 2: Convert to fraction form
    322,048.23/443,695.43 = 249,200.61/x
  3. Step 3: Cross multiply
    322,048.23x = 443,695.43 × 249,200.61
  4. Step 4: Simplify right side
    322,048.23x = 110,569,170,564.21
  5. Step 5: Solve for x
    x = 110,569,170,564.21/322,048.23
  6. Step 6: Final answer
    x = 343,331.09

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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.