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Finding the Fourth Proportional to 383,099.76, 528,677.67 and 222,048.23

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Solution

The fourth proportional to 383,099.76, 528,677.67 and 222,048.23 is: 306,426.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,099.76 : 528,677.67 = 222,048.23 : x
  2. Step 2: Convert to fraction form
    383,099.76/528,677.67 = 222,048.23/x
  3. Step 3: Cross multiply
    383,099.76x = 528,677.67 × 222,048.23
  4. Step 4: Simplify right side
    383,099.76x = 117,391,940,864.02
  5. Step 5: Solve for x
    x = 117,391,940,864.02/383,099.76
  6. Step 6: Final answer
    x = 306,426.56

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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.