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Finding the Fourth Proportional to 503,358.03, 694,633.68 and 277,003.53

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Solution

The fourth proportional to 503,358.03, 694,633.68 and 277,003.53 is: 382,264.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,358.03 : 694,633.68 = 277,003.53 : x
  2. Step 2: Convert to fraction form
    503,358.03/694,633.68 = 277,003.53/x
  3. Step 3: Cross multiply
    503,358.03x = 694,633.68 × 277,003.53
  4. Step 4: Simplify right side
    503,358.03x = 192,415,981,416.89
  5. Step 5: Solve for x
    x = 192,415,981,416.89/503,358.03
  6. Step 6: Final answer
    x = 382,264.65

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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.