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Finding the Fourth Proportional to 503,361.55, 694,639.03 and 277,007.05

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Solution

The fourth proportional to 503,361.55, 694,639.03 and 277,007.05 is: 382,269.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,361.55 : 694,639.03 = 277,007.05 : x
  2. Step 2: Convert to fraction form
    503,361.55/694,639.03 = 277,007.05/x
  3. Step 3: Cross multiply
    503,361.55x = 694,639.03 × 277,007.05
  4. Step 4: Simplify right side
    503,361.55x = 192,419,908,515.16
  5. Step 5: Solve for x
    x = 192,419,908,515.16/503,361.55
  6. Step 6: Final answer
    x = 382,269.78

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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.