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Finding the Fourth Proportional to 255,679.88, 383,575.17 and 97,908.33

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Solution

The fourth proportional to 255,679.88, 383,575.17 and 97,908.33 is: 146,883.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,679.88 : 383,575.17 = 97,908.33 : x
  2. Step 2: Convert to fraction form
    255,679.88/383,575.17 = 97,908.33/x
  3. Step 3: Cross multiply
    255,679.88x = 383,575.17 × 97,908.33
  4. Step 4: Simplify right side
    255,679.88x = 37,555,206,129.73
  5. Step 5: Solve for x
    x = 37,555,206,129.73/255,679.88
  6. Step 6: Final answer
    x = 146,883.70

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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.