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Finding the Fourth Proportional to 277,679.46, 383,175.98 and 156,832.86

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Solution

The fourth proportional to 277,679.46, 383,175.98 and 156,832.86 is: 216,417.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,679.46 : 383,175.98 = 156,832.86 : x
  2. Step 2: Convert to fraction form
    277,679.46/383,175.98 = 156,832.86/x
  3. Step 3: Cross multiply
    277,679.46x = 383,175.98 × 156,832.86
  4. Step 4: Simplify right side
    277,679.46x = 60,094,584,826.70
  5. Step 5: Solve for x
    x = 60,094,584,826.70/277,679.46
  6. Step 6: Final answer
    x = 216,417.10

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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.