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Finding the Fourth Proportional to 600,619.82, 828,855.10 and 328,687.70

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Solution

The fourth proportional to 600,619.82, 828,855.10 and 328,687.70 is: 453,588.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    600,619.82 : 828,855.10 = 328,687.70 : x
  2. Step 2: Convert to fraction form
    600,619.82/828,855.10 = 328,687.70/x
  3. Step 3: Cross multiply
    600,619.82x = 828,855.10 × 328,687.70
  4. Step 4: Simplify right side
    600,619.82x = 272,434,476,452.27
  5. Step 5: Solve for x
    x = 272,434,476,452.27/600,619.82
  6. Step 6: Final answer
    x = 453,588.89

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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.