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Finding the Fourth Proportional to 383,099.55, 528,677.36 and 222,048.02

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Solution

The fourth proportional to 383,099.55, 528,677.36 and 222,048.02 is: 306,426.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,099.55 : 528,677.36 = 222,048.02 : x
  2. Step 2: Convert to fraction form
    383,099.55/528,677.36 = 222,048.02/x
  3. Step 3: Cross multiply
    383,099.55x = 528,677.36 × 222,048.02
  4. Step 4: Simplify right side
    383,099.55x = 117,391,758,363.44
  5. Step 5: Solve for x
    x = 117,391,758,363.44/383,099.55
  6. Step 6: Final answer
    x = 306,426.25

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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.