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Finding the Fourth Proportional to 865,863.83, 1,194,945.14 and 483,921.11

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Solution

The fourth proportional to 865,863.83, 1,194,945.14 and 483,921.11 is: 667,840.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,863.83 : 1,194,945.14 = 483,921.11 : x
  2. Step 2: Convert to fraction form
    865,863.83/1,194,945.14 = 483,921.11/x
  3. Step 3: Cross multiply
    865,863.83x = 1,194,945.14 × 483,921.11
  4. Step 4: Simplify right side
    865,863.83x = 578,259,176,118.30
  5. Step 5: Solve for x
    x = 578,259,176,118.30/865,863.83
  6. Step 6: Final answer
    x = 667,840.78

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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.