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Finding the Fourth Proportional to 277,311.33, 382,599.72 and 154,783.71

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Solution

The fourth proportional to 277,311.33, 382,599.72 and 154,783.71 is: 213,551.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,311.33 : 382,599.72 = 154,783.71 : x
  2. Step 2: Convert to fraction form
    277,311.33/382,599.72 = 154,783.71/x
  3. Step 3: Cross multiply
    277,311.33x = 382,599.72 × 154,783.71
  4. Step 4: Simplify right side
    277,311.33x = 59,220,204,106.56
  5. Step 5: Solve for x
    x = 59,220,204,106.56/277,311.33
  6. Step 6: Final answer
    x = 213,551.33

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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.