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Finding the Fourth Proportional to 255,584.21, 383,376.27 and 68,595.71

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Solution

The fourth proportional to 255,584.21, 383,376.27 and 68,595.71 is: 102,893.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,584.21 : 383,376.27 = 68,595.71 : x
  2. Step 2: Convert to fraction form
    255,584.21/383,376.27 = 68,595.71/x
  3. Step 3: Cross multiply
    255,584.21x = 383,376.27 × 68,595.71
  4. Step 4: Simplify right side
    255,584.21x = 26,297,967,355.87
  5. Step 5: Solve for x
    x = 26,297,967,355.87/255,584.21
  6. Step 6: Final answer
    x = 102,893.55

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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.