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Finding the Fourth Proportional to 483,677.28, 725,517.60 and 146,720.84

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Solution

The fourth proportional to 483,677.28, 725,517.60 and 146,720.84 is: 220,081.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,677.28 : 725,517.60 = 146,720.84 : x
  2. Step 2: Convert to fraction form
    483,677.28/725,517.60 = 146,720.84/x
  3. Step 3: Cross multiply
    483,677.28x = 725,517.60 × 146,720.84
  4. Step 4: Simplify right side
    483,677.28x = 106,448,551,706.78
  5. Step 5: Solve for x
    x = 106,448,551,706.78/483,677.28
  6. Step 6: Final answer
    x = 220,081.77

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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.