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Finding the Fourth Proportional to 484,746.92, 727,452.54 and 169,203.80

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Solution

The fourth proportional to 484,746.92, 727,452.54 and 169,203.80 is: 253,921.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,746.92 : 727,452.54 = 169,203.80 : x
  2. Step 2: Convert to fraction form
    484,746.92/727,452.54 = 169,203.80/x
  3. Step 3: Cross multiply
    484,746.92x = 727,452.54 × 169,203.80
  4. Step 4: Simplify right side
    484,746.92x = 123,087,734,087.65
  5. Step 5: Solve for x
    x = 123,087,734,087.65/484,746.92
  6. Step 6: Final answer
    x = 253,921.64

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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.