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Finding the Fourth Proportional to 468,557.25, 702,835.84 and 113,571.28

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Solution

The fourth proportional to 468,557.25, 702,835.84 and 113,571.28 is: 170,356.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,557.25 : 702,835.84 = 113,571.28 : x
  2. Step 2: Convert to fraction form
    468,557.25/702,835.84 = 113,571.28/x
  3. Step 3: Cross multiply
    468,557.25x = 702,835.84 × 113,571.28
  4. Step 4: Simplify right side
    468,557.25x = 79,821,965,978.68
  5. Step 5: Solve for x
    x = 79,821,965,978.68/468,557.25
  6. Step 6: Final answer
    x = 170,356.91

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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.