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Finding the Fourth Proportional to 600,626.58, 828,839.79 and 328,687.62

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Solution

The fourth proportional to 600,626.58, 828,839.79 and 328,687.62 is: 453,575.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    600,626.58 : 828,839.79 = 328,687.62 : x
  2. Step 2: Convert to fraction form
    600,626.58/828,839.79 = 328,687.62/x
  3. Step 3: Cross multiply
    600,626.58x = 828,839.79 × 328,687.62
  4. Step 4: Simplify right side
    600,626.58x = 272,429,377,936.40
  5. Step 5: Solve for x
    x = 272,429,377,936.40/600,626.58
  6. Step 6: Final answer
    x = 453,575.29

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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.