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Finding the Fourth Proportional to 277,105.62, 382,371.51 and 154,569.24

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Solution

The fourth proportional to 277,105.62, 382,371.51 and 154,569.24 is: 213,286.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,105.62 : 382,371.51 = 154,569.24 : x
  2. Step 2: Convert to fraction form
    277,105.62/382,371.51 = 154,569.24/x
  3. Step 3: Cross multiply
    277,105.62x = 382,371.51 × 154,569.24
  4. Step 4: Simplify right side
    277,105.62x = 59,102,873,698.35
  5. Step 5: Solve for x
    x = 59,102,873,698.35/277,105.62
  6. Step 6: Final answer
    x = 213,286.45

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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.