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Finding the Fourth Proportional to 663,388.41, 995,293.11 and 236,915.22

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Solution

The fourth proportional to 663,388.41, 995,293.11 and 236,915.22 is: 355,448.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,388.41 : 995,293.11 = 236,915.22 : x
  2. Step 2: Convert to fraction form
    663,388.41/995,293.11 = 236,915.22/x
  3. Step 3: Cross multiply
    663,388.41x = 995,293.11 × 236,915.22
  4. Step 4: Simplify right side
    663,388.41x = 235,800,086,120.13
  5. Step 5: Solve for x
    x = 235,800,086,120.13/663,388.41
  6. Step 6: Final answer
    x = 355,448.00

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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.