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Finding the Fourth Proportional to 484,617.04, 726,718.20 and 168,980.56

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Solution

The fourth proportional to 484,617.04, 726,718.20 and 168,980.56 is: 253,398.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,617.04 : 726,718.20 = 168,980.56 : x
  2. Step 2: Convert to fraction form
    484,617.04/726,718.20 = 168,980.56/x
  3. Step 3: Cross multiply
    484,617.04x = 726,718.20 × 168,980.56
  4. Step 4: Simplify right side
    484,617.04x = 122,801,248,398.19
  5. Step 5: Solve for x
    x = 122,801,248,398.19/484,617.04
  6. Step 6: Final answer
    x = 253,398.54

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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.