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Finding the Fourth Proportional to 242,416.80, 363,129.47 and 197,597.88

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Solution

The fourth proportional to 242,416.80, 363,129.47 and 197,597.88 is: 295,992.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,416.80 : 363,129.47 = 197,597.88 : x
  2. Step 2: Convert to fraction form
    242,416.80/363,129.47 = 197,597.88/x
  3. Step 3: Cross multiply
    242,416.80x = 363,129.47 × 197,597.88
  4. Step 4: Simplify right side
    242,416.80x = 71,753,613,437.52
  5. Step 5: Solve for x
    x = 71,753,613,437.52/242,416.80
  6. Step 6: Final answer
    x = 295,992.74

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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.