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Finding the Fourth Proportional to 578,370.70, 867,596.58 and 178,958.86

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Solution

The fourth proportional to 578,370.70, 867,596.58 and 178,958.86 is: 268,450.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,370.70 : 867,596.58 = 178,958.86 : x
  2. Step 2: Convert to fraction form
    578,370.70/867,596.58 = 178,958.86/x
  3. Step 3: Cross multiply
    578,370.70x = 867,596.58 × 178,958.86
  4. Step 4: Simplify right side
    578,370.70x = 155,264,094,896.70
  5. Step 5: Solve for x
    x = 155,264,094,896.70/578,370.70
  6. Step 6: Final answer
    x = 268,450.83

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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.