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Finding the Fourth Proportional to 653,396.70, 980,131.90 and 232,672.62

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Solution

The fourth proportional to 653,396.70, 980,131.90 and 232,672.62 is: 349,022.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,396.70 : 980,131.90 = 232,672.62 : x
  2. Step 2: Convert to fraction form
    653,396.70/980,131.90 = 232,672.62/x
  3. Step 3: Cross multiply
    653,396.70x = 980,131.90 × 232,672.62
  4. Step 4: Simplify right side
    653,396.70x = 228,049,857,118.58
  5. Step 5: Solve for x
    x = 228,049,857,118.58/653,396.70
  6. Step 6: Final answer
    x = 349,022.05

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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.