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Finding the Fourth Proportional to 447,624.90, 672,214.95 and 237,672.90

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Solution

The fourth proportional to 447,624.90, 672,214.95 and 237,672.90 is: 356,922.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,624.90 : 672,214.95 = 237,672.90 : x
  2. Step 2: Convert to fraction form
    447,624.90/672,214.95 = 237,672.90/x
  3. Step 3: Cross multiply
    447,624.90x = 672,214.95 × 237,672.90
  4. Step 4: Simplify right side
    447,624.90x = 159,767,276,589.86
  5. Step 5: Solve for x
    x = 159,767,276,589.86/447,624.90
  6. Step 6: Final answer
    x = 356,922.23

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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.