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Finding the Fourth Proportional to 331,919.24, 497,878.98 and 82,601.24

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Solution

The fourth proportional to 331,919.24, 497,878.98 and 82,601.24 is: 123,901.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,919.24 : 497,878.98 = 82,601.24 : x
  2. Step 2: Convert to fraction form
    331,919.24/497,878.98 = 82,601.24/x
  3. Step 3: Cross multiply
    331,919.24x = 497,878.98 × 82,601.24
  4. Step 4: Simplify right side
    331,919.24x = 41,125,421,117.94
  5. Step 5: Solve for x
    x = 41,125,421,117.94/331,919.24
  6. Step 6: Final answer
    x = 123,901.89

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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.