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Finding the Fourth Proportional to 503,370.72, 694,651.20 and 277,016.40

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Solution

The fourth proportional to 503,370.72, 694,651.20 and 277,016.40 is: 382,282.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,370.72 : 694,651.20 = 277,016.40 : x
  2. Step 2: Convert to fraction form
    503,370.72/694,651.20 = 277,016.40/x
  3. Step 3: Cross multiply
    503,370.72x = 694,651.20 × 277,016.40
  4. Step 4: Simplify right side
    503,370.72x = 192,429,774,679.68
  5. Step 5: Solve for x
    x = 192,429,774,679.68/503,370.72
  6. Step 6: Final answer
    x = 382,282.42

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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.