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Finding the Fourth Proportional to 416,154.02, 574,230.96 and 252,725.54

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Solution

The fourth proportional to 416,154.02, 574,230.96 and 252,725.54 is: 348,723.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,154.02 : 574,230.96 = 252,725.54 : x
  2. Step 2: Convert to fraction form
    416,154.02/574,230.96 = 252,725.54/x
  3. Step 3: Cross multiply
    416,154.02x = 574,230.96 × 252,725.54
  4. Step 4: Simplify right side
    416,154.02x = 145,122,826,579.56
  5. Step 5: Solve for x
    x = 145,122,826,579.56/416,154.02
  6. Step 6: Final answer
    x = 348,723.84

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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.