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Finding the Fourth Proportional to 576,717.12, 795,861.72 and 335,136.24

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Solution

The fourth proportional to 576,717.12, 795,861.72 and 335,136.24 is: 462,483.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,717.12 : 795,861.72 = 335,136.24 : x
  2. Step 2: Convert to fraction form
    576,717.12/795,861.72 = 335,136.24/x
  3. Step 3: Cross multiply
    576,717.12x = 795,861.72 × 335,136.24
  4. Step 4: Simplify right side
    576,717.12x = 266,722,104,400.73
  5. Step 5: Solve for x
    x = 266,722,104,400.73/576,717.12
  6. Step 6: Final answer
    x = 462,483.42

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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.