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Finding the Fourth Proportional to 484,617.60, 727,142.40 and 169,300.80

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Solution

The fourth proportional to 484,617.60, 727,142.40 and 169,300.80 is: 254,026.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,617.60 : 727,142.40 = 169,300.80 : x
  2. Step 2: Convert to fraction form
    484,617.60/727,142.40 = 169,300.80/x
  3. Step 3: Cross multiply
    484,617.60x = 727,142.40 × 169,300.80
  4. Step 4: Simplify right side
    484,617.60x = 123,105,790,033.92
  5. Step 5: Solve for x
    x = 123,105,790,033.92/484,617.60
  6. Step 6: Final answer
    x = 254,026.66

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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.