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Finding the Fourth Proportional to 468,640.89, 702,815.94 and 169,082.64

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Solution

The fourth proportional to 468,640.89, 702,815.94 and 169,082.64 is: 253,571.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,640.89 : 702,815.94 = 169,082.64 : x
  2. Step 2: Convert to fraction form
    468,640.89/702,815.94 = 169,082.64/x
  3. Step 3: Cross multiply
    468,640.89x = 702,815.94 × 169,082.64
  4. Step 4: Simplify right side
    468,640.89x = 118,833,974,569.28
  5. Step 5: Solve for x
    x = 118,833,974,569.28/468,640.89
  6. Step 6: Final answer
    x = 253,571.50

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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.