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Finding the Fourth Proportional to 655,920.26, 983,660.32 and 251,018.05

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Solution

The fourth proportional to 655,920.26, 983,660.32 and 251,018.05 is: 376,442.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,920.26 : 983,660.32 = 251,018.05 : x
  2. Step 2: Convert to fraction form
    655,920.26/983,660.32 = 251,018.05/x
  3. Step 3: Cross multiply
    655,920.26x = 983,660.32 × 251,018.05
  4. Step 4: Simplify right side
    655,920.26x = 246,916,495,412.05
  5. Step 5: Solve for x
    x = 246,916,495,412.05/655,920.26
  6. Step 6: Final answer
    x = 376,442.86

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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.