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Finding the Fourth Proportional to 548,691.82, 822,965.07 and 249,103.49

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Solution

The fourth proportional to 548,691.82, 822,965.07 and 249,103.49 is: 373,622.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,691.82 : 822,965.07 = 249,103.49 : x
  2. Step 2: Convert to fraction form
    548,691.82/822,965.07 = 249,103.49/x
  3. Step 3: Cross multiply
    548,691.82x = 822,965.07 × 249,103.49
  4. Step 4: Simplify right side
    548,691.82x = 205,003,467,152.22
  5. Step 5: Solve for x
    x = 205,003,467,152.22/548,691.82
  6. Step 6: Final answer
    x = 373,622.24

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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.