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Finding the Fourth Proportional to 416,968.70, 575,418.82 and 225,982.04

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Solution

The fourth proportional to 416,968.70, 575,418.82 and 225,982.04 is: 311,856.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,968.70 : 575,418.82 = 225,982.04 : x
  2. Step 2: Convert to fraction form
    416,968.70/575,418.82 = 225,982.04/x
  3. Step 3: Cross multiply
    416,968.70x = 575,418.82 × 225,982.04
  4. Step 4: Simplify right side
    416,968.70x = 130,034,318,797.99
  5. Step 5: Solve for x
    x = 130,034,318,797.99/416,968.70
  6. Step 6: Final answer
    x = 311,856.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.