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Finding the Fourth Proportional to 587,046.50, 880,555.91 and 187,690.73

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Solution

The fourth proportional to 587,046.50, 880,555.91 and 187,690.73 is: 281,531.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,046.50 : 880,555.91 = 187,690.73 : x
  2. Step 2: Convert to fraction form
    587,046.50/880,555.91 = 187,690.73/x
  3. Step 3: Cross multiply
    587,046.50x = 880,555.91 × 187,690.73
  4. Step 4: Simplify right side
    587,046.50x = 165,272,183,459.65
  5. Step 5: Solve for x
    x = 165,272,183,459.65/587,046.50
  6. Step 6: Final answer
    x = 281,531.67

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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.