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Finding the Fourth Proportional to 663,778.52, 995,356.74 and 242,759.96

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Solution

The fourth proportional to 663,778.52, 995,356.74 and 242,759.96 is: 364,026.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,778.52 : 995,356.74 = 242,759.96 : x
  2. Step 2: Convert to fraction form
    663,778.52/995,356.74 = 242,759.96/x
  3. Step 3: Cross multiply
    663,778.52x = 995,356.74 × 242,759.96
  4. Step 4: Simplify right side
    663,778.52x = 241,632,762,388.13
  5. Step 5: Solve for x
    x = 241,632,762,388.13/663,778.52
  6. Step 6: Final answer
    x = 364,026.19

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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.