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Finding the Fourth Proportional to 548,634.25, 822,204.15 and 308,862.51

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Solution

The fourth proportional to 548,634.25, 822,204.15 and 308,862.51 is: 462,873.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,634.25 : 822,204.15 = 308,862.51 : x
  2. Step 2: Convert to fraction form
    548,634.25/822,204.15 = 308,862.51/x
  3. Step 3: Cross multiply
    548,634.25x = 822,204.15 × 308,862.51
  4. Step 4: Simplify right side
    548,634.25x = 253,948,037,501.42
  5. Step 5: Solve for x
    x = 253,948,037,501.42/548,634.25
  6. Step 6: Final answer
    x = 462,873.10

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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.