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Finding the Fourth Proportional to 493,769.70, 681,402.20 and 267,415.20

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Solution

The fourth proportional to 493,769.70, 681,402.20 and 267,415.20 is: 369,032.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,769.70 : 681,402.20 = 267,415.20 : x
  2. Step 2: Convert to fraction form
    493,769.70/681,402.20 = 267,415.20/x
  3. Step 3: Cross multiply
    493,769.70x = 681,402.20 × 267,415.20
  4. Step 4: Simplify right side
    493,769.70x = 182,217,304,256.36
  5. Step 5: Solve for x
    x = 182,217,304,256.36/493,769.70
  6. Step 6: Final answer
    x = 369,032.98

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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.