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Finding the Fourth Proportional to 277,236.72, 382,586.22 and 156,377.63

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Solution

The fourth proportional to 277,236.72, 382,586.22 and 156,377.63 is: 215,800.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,236.72 : 382,586.22 = 156,377.63 : x
  2. Step 2: Convert to fraction form
    277,236.72/382,586.22 = 156,377.63/x
  3. Step 3: Cross multiply
    277,236.72x = 382,586.22 × 156,377.63
  4. Step 4: Simplify right side
    277,236.72x = 59,827,927,310.72
  5. Step 5: Solve for x
    x = 59,827,927,310.72/277,236.72
  6. Step 6: Final answer
    x = 215,800.88

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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.