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Finding the Fourth Proportional to 702,793.13, 969,780.06 and 396,851.00

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Solution

The fourth proportional to 702,793.13, 969,780.06 and 396,851.00 is: 547,612.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,793.13 : 969,780.06 = 396,851.00 : x
  2. Step 2: Convert to fraction form
    702,793.13/969,780.06 = 396,851.00/x
  3. Step 3: Cross multiply
    702,793.13x = 969,780.06 × 396,851.00
  4. Step 4: Simplify right side
    702,793.13x = 384,858,181,742.16
  5. Step 5: Solve for x
    x = 384,858,181,742.16/702,793.13
  6. Step 6: Final answer
    x = 547,612.33

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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.