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Finding the Fourth Proportional to 468,581.31, 702,865.76 and 113,598.54

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Solution

The fourth proportional to 468,581.31, 702,865.76 and 113,598.54 is: 170,396.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,581.31 : 702,865.76 = 113,598.54 : x
  2. Step 2: Convert to fraction form
    468,581.31/702,865.76 = 113,598.54/x
  3. Step 3: Cross multiply
    468,581.31x = 702,865.76 × 113,598.54
  4. Step 4: Simplify right side
    468,581.31x = 79,844,523,584.00
  5. Step 5: Solve for x
    x = 79,844,523,584.00/468,581.31
  6. Step 6: Final answer
    x = 170,396.30

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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.