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Finding the Fourth Proportional to 416,349.12, 624,873.60 and 179,872.32

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Solution

The fourth proportional to 416,349.12, 624,873.60 and 179,872.32 is: 269,959.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,349.12 : 624,873.60 = 179,872.32 : x
  2. Step 2: Convert to fraction form
    416,349.12/624,873.60 = 179,872.32/x
  3. Step 3: Cross multiply
    416,349.12x = 624,873.60 × 179,872.32
  4. Step 4: Simplify right side
    416,349.12x = 112,397,464,138.75
  5. Step 5: Solve for x
    x = 112,397,464,138.75/416,349.12
  6. Step 6: Final answer
    x = 269,959.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.