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Finding the Fourth Proportional to 333,521.88, 500,290.20 and 120,306.84

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Solution

The fourth proportional to 333,521.88, 500,290.20 and 120,306.84 is: 180,462.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,521.88 : 500,290.20 = 120,306.84 : x
  2. Step 2: Convert to fraction form
    333,521.88/500,290.20 = 120,306.84/x
  3. Step 3: Cross multiply
    333,521.88x = 500,290.20 × 120,306.84
  4. Step 4: Simplify right side
    333,521.88x = 60,188,333,044.97
  5. Step 5: Solve for x
    x = 60,188,333,044.97/333,521.88
  6. Step 6: Final answer
    x = 180,462.92

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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.