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Finding the Fourth Proportional to 277,763.12, 383,344.31 and 156,912.24

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Solution

The fourth proportional to 277,763.12, 383,344.31 and 156,912.24 is: 216,556.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,763.12 : 383,344.31 = 156,912.24 : x
  2. Step 2: Convert to fraction form
    277,763.12/383,344.31 = 156,912.24/x
  3. Step 3: Cross multiply
    277,763.12x = 383,344.31 × 156,912.24
  4. Step 4: Simplify right side
    277,763.12x = 60,151,413,384.89
  5. Step 5: Solve for x
    x = 60,151,413,384.89/277,763.12
  6. Step 6: Final answer
    x = 216,556.51

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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.