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Finding the Fourth Proportional to 694,874.62, 958,790.60 and 436,601.92

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Solution

The fourth proportional to 694,874.62, 958,790.60 and 436,601.92 is: 602,424.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,874.62 : 958,790.60 = 436,601.92 : x
  2. Step 2: Convert to fraction form
    694,874.62/958,790.60 = 436,601.92/x
  3. Step 3: Cross multiply
    694,874.62x = 958,790.60 × 436,601.92
  4. Step 4: Simplify right side
    694,874.62x = 418,609,816,837.95
  5. Step 5: Solve for x
    x = 418,609,816,837.95/694,874.62
  6. Step 6: Final answer
    x = 602,424.96

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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.