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Finding the Fourth Proportional to 655,633.46, 983,625.21 and 234,951.86

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Solution

The fourth proportional to 655,633.46, 983,625.21 and 234,951.86 is: 352,490.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,633.46 : 983,625.21 = 234,951.86 : x
  2. Step 2: Convert to fraction form
    655,633.46/983,625.21 = 234,951.86/x
  3. Step 3: Cross multiply
    655,633.46x = 983,625.21 × 234,951.86
  4. Step 4: Simplify right side
    655,633.46x = 231,104,567,714.27
  5. Step 5: Solve for x
    x = 231,104,567,714.27/655,633.46
  6. Step 6: Final answer
    x = 352,490.51

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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.