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Finding the Fourth Proportional to 277,878.27, 383,467.01 and 157,016.96

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Solution

The fourth proportional to 277,878.27, 383,467.01 and 157,016.96 is: 216,680.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,878.27 : 383,467.01 = 157,016.96 : x
  2. Step 2: Convert to fraction form
    277,878.27/383,467.01 = 157,016.96/x
  3. Step 3: Cross multiply
    277,878.27x = 383,467.01 × 157,016.96
  4. Step 4: Simplify right side
    277,878.27x = 60,210,822,710.79
  5. Step 5: Solve for x
    x = 60,210,822,710.79/277,878.27
  6. Step 6: Final answer
    x = 216,680.57

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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.