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Finding the Fourth Proportional to 416,622.96, 574,936.80 and 225,631.92

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Solution

The fourth proportional to 416,622.96, 574,936.80 and 225,631.92 is: 311,370.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,622.96 : 574,936.80 = 225,631.92 : x
  2. Step 2: Convert to fraction form
    416,622.96/574,936.80 = 225,631.92/x
  3. Step 3: Cross multiply
    416,622.96x = 574,936.80 × 225,631.92
  4. Step 4: Simplify right side
    416,622.96x = 129,724,094,062.66
  5. Step 5: Solve for x
    x = 129,724,094,062.66/416,622.96
  6. Step 6: Final answer
    x = 311,370.49

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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.