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Finding the Fourth Proportional to 663,488.37, 995,297.28 and 264,035.88

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Solution

The fourth proportional to 663,488.37, 995,297.28 and 264,035.88 is: 396,079.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,488.37 : 995,297.28 = 264,035.88 : x
  2. Step 2: Convert to fraction form
    663,488.37/995,297.28 = 264,035.88/x
  3. Step 3: Cross multiply
    663,488.37x = 995,297.28 × 264,035.88
  4. Step 4: Simplify right side
    663,488.37x = 262,794,193,186.41
  5. Step 5: Solve for x
    x = 262,794,193,186.41/663,488.37
  6. Step 6: Final answer
    x = 396,079.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.