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Finding the Fourth Proportional to 503,388.40, 694,676.08 and 277,033.92

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Solution

The fourth proportional to 503,388.40, 694,676.08 and 277,033.92 is: 382,306.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,388.40 : 694,676.08 = 277,033.92 : x
  2. Step 2: Convert to fraction form
    503,388.40/694,676.08 = 277,033.92/x
  3. Step 3: Cross multiply
    503,388.40x = 694,676.08 × 277,033.92
  4. Step 4: Simplify right side
    503,388.40x = 192,448,837,572.63
  5. Step 5: Solve for x
    x = 192,448,837,572.63/503,388.40
  6. Step 6: Final answer
    x = 382,306.86

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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.