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Finding the Fourth Proportional to 591,805.70, 816,586.89 and 350,098.46

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Solution

The fourth proportional to 591,805.70, 816,586.89 and 350,098.46 is: 483,073.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,805.70 : 816,586.89 = 350,098.46 : x
  2. Step 2: Convert to fraction form
    591,805.70/816,586.89 = 350,098.46/x
  3. Step 3: Cross multiply
    591,805.70x = 816,586.89 × 350,098.46
  4. Step 4: Simplify right side
    591,805.70x = 285,885,812,645.19
  5. Step 5: Solve for x
    x = 285,885,812,645.19/591,805.70
  6. Step 6: Final answer
    x = 483,073.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.