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Finding the Fourth Proportional to 576,158.88, 795,099.30 and 318,035.88

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Solution

The fourth proportional to 576,158.88, 795,099.30 and 318,035.88 is: 438,889.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,158.88 : 795,099.30 = 318,035.88 : x
  2. Step 2: Convert to fraction form
    576,158.88/795,099.30 = 318,035.88/x
  3. Step 3: Cross multiply
    576,158.88x = 795,099.30 × 318,035.88
  4. Step 4: Simplify right side
    576,158.88x = 252,870,105,562.88
  5. Step 5: Solve for x
    x = 252,870,105,562.88/576,158.88
  6. Step 6: Final answer
    x = 438,889.54

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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.