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Finding the Fourth Proportional to 416,969.56, 575,418.99 and 225,982.90

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Solution

The fourth proportional to 416,969.56, 575,418.99 and 225,982.90 is: 311,856.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,969.56 : 575,418.99 = 225,982.90 : x
  2. Step 2: Convert to fraction form
    416,969.56/575,418.99 = 225,982.90/x
  3. Step 3: Cross multiply
    416,969.56x = 575,418.99 × 225,982.90
  4. Step 4: Simplify right side
    416,969.56x = 130,034,852,075.27
  5. Step 5: Solve for x
    x = 130,034,852,075.27/416,969.56
  6. Step 6: Final answer
    x = 311,856.94

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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.