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Finding the Fourth Proportional to 462,759.66, 694,195.66 and 130,335.66

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Solution

The fourth proportional to 462,759.66, 694,195.66 and 130,335.66 is: 195,519.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,759.66 : 694,195.66 = 130,335.66 : x
  2. Step 2: Convert to fraction form
    462,759.66/694,195.66 = 130,335.66/x
  3. Step 3: Cross multiply
    462,759.66x = 694,195.66 × 130,335.66
  4. Step 4: Simplify right side
    462,759.66x = 90,478,449,515.24
  5. Step 5: Solve for x
    x = 90,478,449,515.24/462,759.66
  6. Step 6: Final answer
    x = 195,519.31

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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.