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Finding the Fourth Proportional to 425,233.27, 637,512.74 and 222,790.54

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Solution

The fourth proportional to 425,233.27, 637,512.74 and 222,790.54 is: 334,009.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,233.27 : 637,512.74 = 222,790.54 : x
  2. Step 2: Convert to fraction form
    425,233.27/637,512.74 = 222,790.54/x
  3. Step 3: Cross multiply
    425,233.27x = 637,512.74 × 222,790.54
  4. Step 4: Simplify right side
    425,233.27x = 142,031,810,375.61
  5. Step 5: Solve for x
    x = 142,031,810,375.61/425,233.27
  6. Step 6: Final answer
    x = 334,009.16

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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.