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Finding the Fourth Proportional to 277,814.97, 383,383.40 and 150,490.89

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Solution

The fourth proportional to 277,814.97, 383,383.40 and 150,490.89 is: 207,676.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,814.97 : 383,383.40 = 150,490.89 : x
  2. Step 2: Convert to fraction form
    277,814.97/383,383.40 = 150,490.89/x
  3. Step 3: Cross multiply
    277,814.97x = 383,383.40 × 150,490.89
  4. Step 4: Simplify right side
    277,814.97x = 57,695,708,324.77
  5. Step 5: Solve for x
    x = 57,695,708,324.77/277,814.97
  6. Step 6: Final answer
    x = 207,676.74

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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.