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Finding the Fourth Proportional to 277,012.73, 382,254.58 and 156,183.73

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Solution

The fourth proportional to 277,012.73, 382,254.58 and 156,183.73 is: 215,520.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,012.73 : 382,254.58 = 156,183.73 : x
  2. Step 2: Convert to fraction form
    277,012.73/382,254.58 = 156,183.73/x
  3. Step 3: Cross multiply
    277,012.73x = 382,254.58 × 156,183.73
  4. Step 4: Simplify right side
    277,012.73x = 59,701,946,113.98
  5. Step 5: Solve for x
    x = 59,701,946,113.98/277,012.73
  6. Step 6: Final answer
    x = 215,520.59

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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.