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Finding the Fourth Proportional to 416,892.96, 575,179.44 and 255,670.56

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Solution

The fourth proportional to 416,892.96, 575,179.44 and 255,670.56 is: 352,743.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,892.96 : 575,179.44 = 255,670.56 : x
  2. Step 2: Convert to fraction form
    416,892.96/575,179.44 = 255,670.56/x
  3. Step 3: Cross multiply
    416,892.96x = 575,179.44 × 255,670.56
  4. Step 4: Simplify right side
    416,892.96x = 147,056,449,525.29
  5. Step 5: Solve for x
    x = 147,056,449,525.29/416,892.96
  6. Step 6: Final answer
    x = 352,743.90

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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.