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Finding the Fourth Proportional to 266,950.40, 400,307.52 and 79,927.04

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Solution

The fourth proportional to 266,950.40, 400,307.52 and 79,927.04 is: 119,855.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,950.40 : 400,307.52 = 79,927.04 : x
  2. Step 2: Convert to fraction form
    266,950.40/400,307.52 = 79,927.04/x
  3. Step 3: Cross multiply
    266,950.40x = 400,307.52 × 79,927.04
  4. Step 4: Simplify right side
    266,950.40x = 31,995,395,163.34
  5. Step 5: Solve for x
    x = 31,995,395,163.34/266,950.40
  6. Step 6: Final answer
    x = 119,855.21

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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.