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Finding the Fourth Proportional to 383,099.04, 528,676.68 and 222,047.51

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Solution

The fourth proportional to 383,099.04, 528,676.68 and 222,047.51 is: 306,425.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,099.04 : 528,676.68 = 222,047.51 : x
  2. Step 2: Convert to fraction form
    383,099.04/528,676.68 = 222,047.51/x
  3. Step 3: Cross multiply
    383,099.04x = 528,676.68 × 222,047.51
  4. Step 4: Simplify right side
    383,099.04x = 117,391,337,745.68
  5. Step 5: Solve for x
    x = 117,391,337,745.68/383,099.04
  6. Step 6: Final answer
    x = 306,425.56

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1.5x scale

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.