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Finding the Fourth Proportional to 457,979.30, 632,013.72 and 254,016.03

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Solution

The fourth proportional to 457,979.30, 632,013.72 and 254,016.03 is: 350,543.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,979.30 : 632,013.72 = 254,016.03 : x
  2. Step 2: Convert to fraction form
    457,979.30/632,013.72 = 254,016.03/x
  3. Step 3: Cross multiply
    457,979.30x = 632,013.72 × 254,016.03
  4. Step 4: Simplify right side
    457,979.30x = 160,541,616,059.93
  5. Step 5: Solve for x
    x = 160,541,616,059.93/457,979.30
  6. Step 6: Final answer
    x = 350,543.39

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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.