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Finding the Fourth Proportional to 269,240.18, 403,855.74 and 79,699.73

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Solution

The fourth proportional to 269,240.18, 403,855.74 and 79,699.73 is: 119,548.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,240.18 : 403,855.74 = 79,699.73 : x
  2. Step 2: Convert to fraction form
    269,240.18/403,855.74 = 79,699.73/x
  3. Step 3: Cross multiply
    269,240.18x = 403,855.74 × 79,699.73
  4. Step 4: Simplify right side
    269,240.18x = 32,187,193,436.95
  5. Step 5: Solve for x
    x = 32,187,193,436.95/269,240.18
  6. Step 6: Final answer
    x = 119,548.25

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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.