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Finding the Fourth Proportional to 457,999.10, 632,048.89 and 254,043.38

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Solution

The fourth proportional to 457,999.10, 632,048.89 and 254,043.38 is: 350,585.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,999.10 : 632,048.89 = 254,043.38 : x
  2. Step 2: Convert to fraction form
    457,999.10/632,048.89 = 254,043.38/x
  3. Step 3: Cross multiply
    457,999.10x = 632,048.89 × 254,043.38
  4. Step 4: Simplify right side
    457,999.10x = 160,567,836,340.85
  5. Step 5: Solve for x
    x = 160,567,836,340.85/457,999.10
  6. Step 6: Final answer
    x = 350,585.48

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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.