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Finding the Fourth Proportional to 588,220.74, 811,744.56 and 333,571.92

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Solution

The fourth proportional to 588,220.74, 811,744.56 and 333,571.92 is: 460,329.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    588,220.74 : 811,744.56 = 333,571.92 : x
  2. Step 2: Convert to fraction form
    588,220.74/811,744.56 = 333,571.92/x
  3. Step 3: Cross multiply
    588,220.74x = 811,744.56 × 333,571.92
  4. Step 4: Simplify right side
    588,220.74x = 270,775,191,428.76
  5. Step 5: Solve for x
    x = 270,775,191,428.76/588,220.74
  6. Step 6: Final answer
    x = 460,329.21

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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.