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Finding the Fourth Proportional to 277,372.70, 382,770.60 and 154,866.96

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Solution

The fourth proportional to 277,372.70, 382,770.60 and 154,866.96 is: 213,714.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,372.70 : 382,770.60 = 154,866.96 : x
  2. Step 2: Convert to fraction form
    277,372.70/382,770.60 = 154,866.96/x
  3. Step 3: Cross multiply
    277,372.70x = 382,770.60 × 154,866.96
  4. Step 4: Simplify right side
    277,372.70x = 59,278,518,003.22
  5. Step 5: Solve for x
    x = 59,278,518,003.22/277,372.70
  6. Step 6: Final answer
    x = 213,714.32

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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.