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Finding the Fourth Proportional to 468,164.17, 646,061.96 and 253,299.52

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Solution

The fourth proportional to 468,164.17, 646,061.96 and 253,299.52 is: 349,550.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,164.17 : 646,061.96 = 253,299.52 : x
  2. Step 2: Convert to fraction form
    468,164.17/646,061.96 = 253,299.52/x
  3. Step 3: Cross multiply
    468,164.17x = 646,061.96 × 253,299.52
  4. Step 4: Simplify right side
    468,164.17x = 163,647,179,861.45
  5. Step 5: Solve for x
    x = 163,647,179,861.45/468,164.17
  6. Step 6: Final answer
    x = 349,550.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.