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Finding the Fourth Proportional to 558,603.36, 838,036.31 and 159,249.87

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Solution

The fourth proportional to 558,603.36, 838,036.31 and 159,249.87 is: 238,912.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,603.36 : 838,036.31 = 159,249.87 : x
  2. Step 2: Convert to fraction form
    558,603.36/838,036.31 = 159,249.87/x
  3. Step 3: Cross multiply
    558,603.36x = 838,036.31 × 159,249.87
  4. Step 4: Simplify right side
    558,603.36x = 133,457,172,626.53
  5. Step 5: Solve for x
    x = 133,457,172,626.53/558,603.36
  6. Step 6: Final answer
    x = 238,912.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.