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Finding the Fourth Proportional to 663,781.52, 995,361.24 and 242,762.96

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Solution

The fourth proportional to 663,781.52, 995,361.24 and 242,762.96 is: 364,030.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,781.52 : 995,361.24 = 242,762.96 : x
  2. Step 2: Convert to fraction form
    663,781.52/995,361.24 = 242,762.96/x
  3. Step 3: Cross multiply
    663,781.52x = 995,361.24 × 242,762.96
  4. Step 4: Simplify right side
    663,781.52x = 241,636,840,891.67
  5. Step 5: Solve for x
    x = 241,636,840,891.67/663,781.52
  6. Step 6: Final answer
    x = 364,030.68

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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.