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Finding the Fourth Proportional to 444,680.64, 613,663.20 and 263,402.88

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Solution

The fourth proportional to 444,680.64, 613,663.20 and 263,402.88 is: 363,498.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,680.64 : 613,663.20 = 263,402.88 : x
  2. Step 2: Convert to fraction form
    444,680.64/613,663.20 = 263,402.88/x
  3. Step 3: Cross multiply
    444,680.64x = 613,663.20 × 263,402.88
  4. Step 4: Simplify right side
    444,680.64x = 161,640,654,230.02
  5. Step 5: Solve for x
    x = 161,640,654,230.02/444,680.64
  6. Step 6: Final answer
    x = 363,498.29

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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.