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Finding the Fourth Proportional to 416,528.92, 574,805.46 and 225,539.56

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Solution

The fourth proportional to 416,528.92, 574,805.46 and 225,539.56 is: 311,242.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,528.92 : 574,805.46 = 225,539.56 : x
  2. Step 2: Convert to fraction form
    416,528.92/574,805.46 = 225,539.56/x
  3. Step 3: Cross multiply
    416,528.92x = 574,805.46 × 225,539.56
  4. Step 4: Simplify right side
    416,528.92x = 129,641,370,534.00
  5. Step 5: Solve for x
    x = 129,641,370,534.00/416,528.92
  6. Step 6: Final answer
    x = 311,242.18

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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.