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Finding the Fourth Proportional to 277,758.72, 383,306.92 and 150,434.32

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Solution

The fourth proportional to 277,758.72, 383,306.92 and 150,434.32 is: 207,599.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,758.72 : 383,306.92 = 150,434.32 : x
  2. Step 2: Convert to fraction form
    277,758.72/383,306.92 = 150,434.32/x
  3. Step 3: Cross multiply
    277,758.72x = 383,306.92 × 150,434.32
  4. Step 4: Simplify right side
    277,758.72x = 57,662,515,861.49
  5. Step 5: Solve for x
    x = 57,662,515,861.49/277,758.72
  6. Step 6: Final answer
    x = 207,599.30

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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.