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Finding the Fourth Proportional to 277,801.11, 383,363.46 and 156,940.20

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Solution

The fourth proportional to 277,801.11, 383,363.46 and 156,940.20 is: 216,576.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,801.11 : 383,363.46 = 156,940.20 : x
  2. Step 2: Convert to fraction form
    277,801.11/383,363.46 = 156,940.20/x
  3. Step 3: Cross multiply
    277,801.11x = 383,363.46 × 156,940.20
  4. Step 4: Simplify right side
    277,801.11x = 60,165,138,085.09
  5. Step 5: Solve for x
    x = 60,165,138,085.09/277,801.11
  6. Step 6: Final answer
    x = 216,576.31

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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.