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Finding the Fourth Proportional to 439,567.32, 606,616.11 and 248,576.88

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Solution

The fourth proportional to 439,567.32, 606,616.11 and 248,576.88 is: 343,043.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,567.32 : 606,616.11 = 248,576.88 : x
  2. Step 2: Convert to fraction form
    439,567.32/606,616.11 = 248,576.88/x
  3. Step 3: Cross multiply
    439,567.32x = 606,616.11 × 248,576.88
  4. Step 4: Simplify right side
    439,567.32x = 150,790,739,981.54
  5. Step 5: Solve for x
    x = 150,790,739,981.54/439,567.32
  6. Step 6: Final answer
    x = 343,043.56

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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.