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Finding the Fourth Proportional to 255,593.38, 383,390.16 and 68,604.88

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Solution

The fourth proportional to 255,593.38, 383,390.16 and 68,604.88 is: 102,907.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,593.38 : 383,390.16 = 68,604.88 : x
  2. Step 2: Convert to fraction form
    255,593.38/383,390.16 = 68,604.88/x
  3. Step 3: Cross multiply
    255,593.38x = 383,390.16 × 68,604.88
  4. Step 4: Simplify right side
    255,593.38x = 26,302,435,919.98
  5. Step 5: Solve for x
    x = 26,302,435,919.98/255,593.38
  6. Step 6: Final answer
    x = 102,907.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.