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Finding the Fourth Proportional to 451,889.47, 677,197.04 and 249,576.78

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Solution

The fourth proportional to 451,889.47, 677,197.04 and 249,576.78 is: 374,013.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,889.47 : 677,197.04 = 249,576.78 : x
  2. Step 2: Convert to fraction form
    451,889.47/677,197.04 = 249,576.78/x
  3. Step 3: Cross multiply
    451,889.47x = 677,197.04 × 249,576.78
  4. Step 4: Simplify right side
    451,889.47x = 169,012,658,049.75
  5. Step 5: Solve for x
    x = 169,012,658,049.75/451,889.47
  6. Step 6: Final answer
    x = 374,013.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.