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Finding the Fourth Proportional to 274,176.72, 377,522.76 and 239,993.91

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Solution

The fourth proportional to 274,176.72, 377,522.76 and 239,993.91 is: 330,455.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,176.72 : 377,522.76 = 239,993.91 : x
  2. Step 2: Convert to fraction form
    274,176.72/377,522.76 = 239,993.91/x
  3. Step 3: Cross multiply
    274,176.72x = 377,522.76 × 239,993.91
  4. Step 4: Simplify right side
    274,176.72x = 90,603,163,286.39
  5. Step 5: Solve for x
    x = 90,603,163,286.39/274,176.72
  6. Step 6: Final answer
    x = 330,455.35

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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.