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Finding the Fourth Proportional to 322,047.48, 443,694.39 and 249,199.86

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Solution

The fourth proportional to 322,047.48, 443,694.39 and 249,199.86 is: 343,330.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,047.48 : 443,694.39 = 249,199.86 : x
  2. Step 2: Convert to fraction form
    322,047.48/443,694.39 = 249,199.86/x
  3. Step 3: Cross multiply
    322,047.48x = 443,694.39 × 249,199.86
  4. Step 4: Simplify right side
    322,047.48x = 110,568,579,870.79
  5. Step 5: Solve for x
    x = 110,568,579,870.79/322,047.48
  6. Step 6: Final answer
    x = 343,330.06

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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.