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Finding the Fourth Proportional to 448,077.60, 672,235.20 and 195,249.60

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Solution

The fourth proportional to 448,077.60, 672,235.20 and 195,249.60 is: 292,926.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,077.60 : 672,235.20 = 195,249.60 : x
  2. Step 2: Convert to fraction form
    448,077.60/672,235.20 = 195,249.60/x
  3. Step 3: Cross multiply
    448,077.60x = 672,235.20 × 195,249.60
  4. Step 4: Simplify right side
    448,077.60x = 131,253,653,905.92
  5. Step 5: Solve for x
    x = 131,253,653,905.92/448,077.60
  6. Step 6: Final answer
    x = 292,926.17

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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.