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Finding the Fourth Proportional to 484,410.78, 726,620.25 and 168,867.10

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Solution

The fourth proportional to 484,410.78, 726,620.25 and 168,867.10 is: 253,302.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,410.78 : 726,620.25 = 168,867.10 : x
  2. Step 2: Convert to fraction form
    484,410.78/726,620.25 = 168,867.10/x
  3. Step 3: Cross multiply
    484,410.78x = 726,620.25 × 168,867.10
  4. Step 4: Simplify right side
    484,410.78x = 122,702,254,418.78
  5. Step 5: Solve for x
    x = 122,702,254,418.78/484,410.78
  6. Step 6: Final answer
    x = 253,302.07

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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.