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Finding the Fourth Proportional to 591,755.20, 885,883.20 and 528,769.60

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Solution

The fourth proportional to 591,755.20, 885,883.20 and 528,769.60 is: 791,591.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,755.20 : 885,883.20 = 528,769.60 : x
  2. Step 2: Convert to fraction form
    591,755.20/885,883.20 = 528,769.60/x
  3. Step 3: Cross multiply
    591,755.20x = 885,883.20 × 528,769.60
  4. Step 4: Simplify right side
    591,755.20x = 468,428,105,310.72
  5. Step 5: Solve for x
    x = 468,428,105,310.72/591,755.20
  6. Step 6: Final answer
    x = 791,591.02

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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.