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Finding the Fourth Proportional to 424,136.12, 585,311.96 and 230,544.68

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Solution

The fourth proportional to 424,136.12, 585,311.96 and 230,544.68 is: 318,153.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,136.12 : 585,311.96 = 230,544.68 : x
  2. Step 2: Convert to fraction form
    424,136.12/585,311.96 = 230,544.68/x
  3. Step 3: Cross multiply
    424,136.12x = 585,311.96 × 230,544.68
  4. Step 4: Simplify right side
    424,136.12x = 134,940,558,518.37
  5. Step 5: Solve for x
    x = 134,940,558,518.37/424,136.12
  6. Step 6: Final answer
    x = 318,153.89

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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.