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Finding the Fourth Proportional to 451,889.85, 677,197.60 and 249,577.16

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Solution

The fourth proportional to 451,889.85, 677,197.60 and 249,577.16 is: 374,013.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,889.85 : 677,197.60 = 249,577.16 : x
  2. Step 2: Convert to fraction form
    451,889.85/677,197.60 = 249,577.16/x
  3. Step 3: Cross multiply
    451,889.85x = 677,197.60 × 249,577.16
  4. Step 4: Simplify right side
    451,889.85x = 169,013,053,766.82
  5. Step 5: Solve for x
    x = 169,013,053,766.82/451,889.85
  6. Step 6: Final answer
    x = 374,013.83

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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.