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Finding the Fourth Proportional to 416,659.31, 574,987.16 and 235,429.91

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Solution

The fourth proportional to 416,659.31, 574,987.16 and 235,429.91 is: 324,891.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,659.31 : 574,987.16 = 235,429.91 : x
  2. Step 2: Convert to fraction form
    416,659.31/574,987.16 = 235,429.91/x
  3. Step 3: Cross multiply
    416,659.31x = 574,987.16 × 235,429.91
  4. Step 4: Simplify right side
    416,659.31x = 135,369,171,277.87
  5. Step 5: Solve for x
    x = 135,369,171,277.87/416,659.31
  6. Step 6: Final answer
    x = 324,891.75

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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.