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Finding the Fourth Proportional to 637,083.78, 955,624.66 and 436,796.97

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Solution

The fourth proportional to 637,083.78, 955,624.66 and 436,796.97 is: 655,194.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,083.78 : 955,624.66 = 436,796.97 : x
  2. Step 2: Convert to fraction form
    637,083.78/955,624.66 = 436,796.97/x
  3. Step 3: Cross multiply
    637,083.78x = 955,624.66 × 436,796.97
  4. Step 4: Simplify right side
    637,083.78x = 417,413,955,945.28
  5. Step 5: Solve for x
    x = 417,413,955,945.28/637,083.78
  6. Step 6: Final answer
    x = 655,194.76

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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.