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Finding the Fourth Proportional to 468,563.56, 702,839.13 and 113,580.79

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Solution

The fourth proportional to 468,563.56, 702,839.13 and 113,580.79 is: 170,369.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,563.56 : 702,839.13 = 113,580.79 : x
  2. Step 2: Convert to fraction form
    468,563.56/702,839.13 = 113,580.79/x
  3. Step 3: Cross multiply
    468,563.56x = 702,839.13 × 113,580.79
  4. Step 4: Simplify right side
    468,563.56x = 79,829,023,628.31
  5. Step 5: Solve for x
    x = 79,829,023,628.31/468,563.56
  6. Step 6: Final answer
    x = 170,369.68

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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.