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Finding the Fourth Proportional to 587,809.67, 880,976.89 and 317,927.03

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Solution

The fourth proportional to 587,809.67, 880,976.89 and 317,927.03 is: 476,491.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,809.67 : 880,976.89 = 317,927.03 : x
  2. Step 2: Convert to fraction form
    587,809.67/880,976.89 = 317,927.03/x
  3. Step 3: Cross multiply
    587,809.67x = 880,976.89 × 317,927.03
  4. Step 4: Simplify right side
    587,809.67x = 280,086,366,136.34
  5. Step 5: Solve for x
    x = 280,086,366,136.34/587,809.67
  6. Step 6: Final answer
    x = 476,491.60

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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.