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Finding the Fourth Proportional to 503,283, 694,535.40 and 276,933.36

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Solution

The fourth proportional to 503,283, 694,535.40 and 276,933.36 is: 382,170.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,283 : 694,535.40 = 276,933.36 : x
  2. Step 2: Convert to fraction form
    503,283/694,535.40 = 276,933.36/x
  3. Step 3: Cross multiply
    503,283x = 694,535.40 × 276,933.36
  4. Step 4: Simplify right side
    503,283x = 192,340,021,960.94
  5. Step 5: Solve for x
    x = 192,340,021,960.94/503,283
  6. Step 6: Final answer
    x = 382,170.71

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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.