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Finding the Fourth Proportional to 416,847.60, 575,247.24 and 235,618.20

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Solution

The fourth proportional to 416,847.60, 575,247.24 and 235,618.20 is: 325,151.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,847.60 : 575,247.24 = 235,618.20 : x
  2. Step 2: Convert to fraction form
    416,847.60/575,247.24 = 235,618.20/x
  3. Step 3: Cross multiply
    416,847.60x = 575,247.24 × 235,618.20
  4. Step 4: Simplify right side
    416,847.60x = 135,538,719,243.77
  5. Step 5: Solve for x
    x = 135,538,719,243.77/416,847.60
  6. Step 6: Final answer
    x = 325,151.73

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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.