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Finding the Fourth Proportional to 403,063.29, 603,266.13 and 222,871.70

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Solution

The fourth proportional to 403,063.29, 603,266.13 and 222,871.70 is: 333,572.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,063.29 : 603,266.13 = 222,871.70 : x
  2. Step 2: Convert to fraction form
    403,063.29/603,266.13 = 222,871.70/x
  3. Step 3: Cross multiply
    403,063.29x = 603,266.13 × 222,871.70
  4. Step 4: Simplify right side
    403,063.29x = 134,450,949,453.69
  5. Step 5: Solve for x
    x = 134,450,949,453.69/403,063.29
  6. Step 6: Final answer
    x = 333,572.80

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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.