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Finding the Fourth Proportional to 526,878.20, 726,896.22 and 335,847.80

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Solution

The fourth proportional to 526,878.20, 726,896.22 and 335,847.80 is: 463,345.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,878.20 : 726,896.22 = 335,847.80 : x
  2. Step 2: Convert to fraction form
    526,878.20/726,896.22 = 335,847.80/x
  3. Step 3: Cross multiply
    526,878.20x = 726,896.22 × 335,847.80
  4. Step 4: Simplify right side
    526,878.20x = 244,126,496,315.32
  5. Step 5: Solve for x
    x = 244,126,496,315.32/526,878.20
  6. Step 6: Final answer
    x = 463,345.22

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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.