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Finding the Fourth Proportional to 277,801.22, 383,342.96 and 156,953

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Solution

The fourth proportional to 277,801.22, 383,342.96 and 156,953 is: 216,582.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,801.22 : 383,342.96 = 156,953 : x
  2. Step 2: Convert to fraction form
    277,801.22/383,342.96 = 156,953/x
  3. Step 3: Cross multiply
    277,801.22x = 383,342.96 × 156,953
  4. Step 4: Simplify right side
    277,801.22x = 60,166,827,600.88
  5. Step 5: Solve for x
    x = 60,166,827,600.88/277,801.22
  6. Step 6: Final answer
    x = 216,582.30

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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.