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Finding the Fourth Proportional to 475,411.22, 655,689.56 and 404,027.54

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Solution

The fourth proportional to 475,411.22, 655,689.56 and 404,027.54 is: 557,236.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,411.22 : 655,689.56 = 404,027.54 : x
  2. Step 2: Convert to fraction form
    475,411.22/655,689.56 = 404,027.54/x
  3. Step 3: Cross multiply
    475,411.22x = 655,689.56 × 404,027.54
  4. Step 4: Simplify right side
    475,411.22x = 264,916,639,930.48
  5. Step 5: Solve for x
    x = 264,916,639,930.48/475,411.22
  6. Step 6: Final answer
    x = 557,236.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.