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Finding the Fourth Proportional to 416,027.20, 624,040.80 and 341,377.60

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Solution

The fourth proportional to 416,027.20, 624,040.80 and 341,377.60 is: 512,066.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,027.20 : 624,040.80 = 341,377.60 : x
  2. Step 2: Convert to fraction form
    416,027.20/624,040.80 = 341,377.60/x
  3. Step 3: Cross multiply
    416,027.20x = 624,040.80 × 341,377.60
  4. Step 4: Simplify right side
    416,027.20x = 213,033,550,606.08
  5. Step 5: Solve for x
    x = 213,033,550,606.08/416,027.20
  6. Step 6: Final answer
    x = 512,066.40

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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.