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Finding the Fourth Proportional to 206,950.05, 310,642.25 and 183,408.21

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Solution

The fourth proportional to 206,950.05, 310,642.25 and 183,408.21 is: 275,304.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,950.05 : 310,642.25 = 183,408.21 : x
  2. Step 2: Convert to fraction form
    206,950.05/310,642.25 = 183,408.21/x
  3. Step 3: Cross multiply
    206,950.05x = 310,642.25 × 183,408.21
  4. Step 4: Simplify right side
    206,950.05x = 56,974,338,704.79
  5. Step 5: Solve for x
    x = 56,974,338,704.79/206,950.05
  6. Step 6: Final answer
    x = 275,304.79

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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.