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Finding the Fourth Proportional to 411,817.87, 568,320.54 and 230,528.73

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Solution

The fourth proportional to 411,817.87, 568,320.54 and 230,528.73 is: 318,136.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,817.87 : 568,320.54 = 230,528.73 : x
  2. Step 2: Convert to fraction form
    411,817.87/568,320.54 = 230,528.73/x
  3. Step 3: Cross multiply
    411,817.87x = 568,320.54 × 230,528.73
  4. Step 4: Simplify right side
    411,817.87x = 131,014,213,585.83
  5. Step 5: Solve for x
    x = 131,014,213,585.83/411,817.87
  6. Step 6: Final answer
    x = 318,136.30

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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.