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Finding the Fourth Proportional to 558,653.70, 838,029.96 and 159,285.90

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Solution

The fourth proportional to 558,653.70, 838,029.96 and 159,285.90 is: 238,942.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,653.70 : 838,029.96 = 159,285.90 : x
  2. Step 2: Convert to fraction form
    558,653.70/838,029.96 = 159,285.90/x
  3. Step 3: Cross multiply
    558,653.70x = 838,029.96 × 159,285.90
  4. Step 4: Simplify right side
    558,653.70x = 133,486,356,405.56
  5. Step 5: Solve for x
    x = 133,486,356,405.56/558,653.70
  6. Step 6: Final answer
    x = 238,942.94

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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.