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Finding the Fourth Proportional to 322,055.12, 443,704.92 and 249,207.50

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Solution

The fourth proportional to 322,055.12, 443,704.92 and 249,207.50 is: 343,340.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,055.12 : 443,704.92 = 249,207.50 : x
  2. Step 2: Convert to fraction form
    322,055.12/443,704.92 = 249,207.50/x
  3. Step 3: Cross multiply
    322,055.12x = 443,704.92 × 249,207.50
  4. Step 4: Simplify right side
    322,055.12x = 110,574,593,850.90
  5. Step 5: Solve for x
    x = 110,574,593,850.90/322,055.12
  6. Step 6: Final answer
    x = 343,340.59

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1.5x scale

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.