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Finding the Fourth Proportional to 548,519.07, 822,881.61 and 249,020.76

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Solution

The fourth proportional to 548,519.07, 822,881.61 and 249,020.76 is: 373,577.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,519.07 : 822,881.61 = 249,020.76 : x
  2. Step 2: Convert to fraction form
    548,519.07/822,881.61 = 249,020.76/x
  3. Step 3: Cross multiply
    548,519.07x = 822,881.61 × 249,020.76
  4. Step 4: Simplify right side
    548,519.07x = 204,914,603,912.22
  5. Step 5: Solve for x
    x = 204,914,603,912.22/548,519.07
  6. Step 6: Final answer
    x = 373,577.90

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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.