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Finding the Fourth Proportional to 359,885.08, 496,657.38 and 206,972.92

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Solution

The fourth proportional to 359,885.08, 496,657.38 and 206,972.92 is: 285,631.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,885.08 : 496,657.38 = 206,972.92 : x
  2. Step 2: Convert to fraction form
    359,885.08/496,657.38 = 206,972.92/x
  3. Step 3: Cross multiply
    359,885.08x = 496,657.38 × 206,972.92
  4. Step 4: Simplify right side
    359,885.08x = 102,794,628,178.15
  5. Step 5: Solve for x
    x = 102,794,628,178.15/359,885.08
  6. Step 6: Final answer
    x = 285,631.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.