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Finding the Fourth Proportional to 416,599.56, 574,906.16 and 225,612.90

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Solution

The fourth proportional to 416,599.56, 574,906.16 and 225,612.90 is: 311,345.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,599.56 : 574,906.16 = 225,612.90 : x
  2. Step 2: Convert to fraction form
    416,599.56/574,906.16 = 225,612.90/x
  3. Step 3: Cross multiply
    416,599.56x = 574,906.16 × 225,612.90
  4. Step 4: Simplify right side
    416,599.56x = 129,706,244,857.40
  5. Step 5: Solve for x
    x = 129,706,244,857.40/416,599.56
  6. Step 6: Final answer
    x = 311,345.13

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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.