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Finding the Fourth Proportional to 463,864.80, 695,797.20 and 131,440.80

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Solution

The fourth proportional to 463,864.80, 695,797.20 and 131,440.80 is: 197,161.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,864.80 : 695,797.20 = 131,440.80 : x
  2. Step 2: Convert to fraction form
    463,864.80/695,797.20 = 131,440.80/x
  3. Step 3: Cross multiply
    463,864.80x = 695,797.20 × 131,440.80
  4. Step 4: Simplify right side
    463,864.80x = 91,456,140,605.76
  5. Step 5: Solve for x
    x = 91,456,140,605.76/463,864.80
  6. Step 6: Final answer
    x = 197,161.20

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Similar ratio
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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.