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Finding the Fourth Proportional to 663,230.40, 995,234.40 and 242,548.80

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Solution

The fourth proportional to 663,230.40, 995,234.40 and 242,548.80 is: 363,965.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,230.40 : 995,234.40 = 242,548.80 : x
  2. Step 2: Convert to fraction form
    663,230.40/995,234.40 = 242,548.80/x
  3. Step 3: Cross multiply
    663,230.40x = 995,234.40 × 242,548.80
  4. Step 4: Simplify right side
    663,230.40x = 241,392,909,438.72
  5. Step 5: Solve for x
    x = 241,392,909,438.72/663,230.40
  6. Step 6: Final answer
    x = 363,965.39

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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.