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Finding the Fourth Proportional to 217,807.50, 326,404.80 and 173,236.44

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Solution

The fourth proportional to 217,807.50, 326,404.80 and 173,236.44 is: 259,610.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,807.50 : 326,404.80 = 173,236.44 : x
  2. Step 2: Convert to fraction form
    217,807.50/326,404.80 = 173,236.44/x
  3. Step 3: Cross multiply
    217,807.50x = 326,404.80 × 173,236.44
  4. Step 4: Simplify right side
    217,807.50x = 56,545,205,550.91
  5. Step 5: Solve for x
    x = 56,545,205,550.91/217,807.50
  6. Step 6: Final answer
    x = 259,610.92

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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.