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Finding the Fourth Proportional to 457,194.97, 630,869.27 and 263,609.97

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Solution

The fourth proportional to 457,194.97, 630,869.27 and 263,609.97 is: 363,747.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,194.97 : 630,869.27 = 263,609.97 : x
  2. Step 2: Convert to fraction form
    457,194.97/630,869.27 = 263,609.97/x
  3. Step 3: Cross multiply
    457,194.97x = 630,869.27 × 263,609.97
  4. Step 4: Simplify right side
    457,194.97x = 166,303,429,338.62
  5. Step 5: Solve for x
    x = 166,303,429,338.62/457,194.97
  6. Step 6: Final answer
    x = 363,747.29

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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.