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Finding the Fourth Proportional to 255,493.84, 383,073.88 and 122,369.84

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Solution

The fourth proportional to 255,493.84, 383,073.88 and 122,369.84 is: 183,474.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,493.84 : 383,073.88 = 122,369.84 : x
  2. Step 2: Convert to fraction form
    255,493.84/383,073.88 = 122,369.84/x
  3. Step 3: Cross multiply
    255,493.84x = 383,073.88 × 122,369.84
  4. Step 4: Simplify right side
    255,493.84x = 46,876,689,403.78
  5. Step 5: Solve for x
    x = 46,876,689,403.78/255,493.84
  6. Step 6: Final answer
    x = 183,474.83

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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.