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Finding the Fourth Proportional to 457,995.25, 632,033.45 and 256,791.25

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Solution

The fourth proportional to 457,995.25, 632,033.45 and 256,791.25 is: 354,371.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,995.25 : 632,033.45 = 256,791.25 : x
  2. Step 2: Convert to fraction form
    457,995.25/632,033.45 = 256,791.25/x
  3. Step 3: Cross multiply
    457,995.25x = 632,033.45 × 256,791.25
  4. Step 4: Simplify right side
    457,995.25x = 162,300,659,667.31
  5. Step 5: Solve for x
    x = 162,300,659,667.31/457,995.25
  6. Step 6: Final answer
    x = 354,371.93

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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.