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Finding the Fourth Proportional to 463,151.80, 694,727.70 and 163,970.20

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Solution

The fourth proportional to 463,151.80, 694,727.70 and 163,970.20 is: 245,955.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,151.80 : 694,727.70 = 163,970.20 : x
  2. Step 2: Convert to fraction form
    463,151.80/694,727.70 = 163,970.20/x
  3. Step 3: Cross multiply
    463,151.80x = 694,727.70 × 163,970.20
  4. Step 4: Simplify right side
    463,151.80x = 113,914,639,914.54
  5. Step 5: Solve for x
    x = 113,914,639,914.54/463,151.80
  6. Step 6: Final answer
    x = 245,955.30

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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.