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Finding the Fourth Proportional to 695,042.17, 958,873.14 and 422,891.89

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Solution

The fourth proportional to 695,042.17, 958,873.14 and 422,891.89 is: 583,417.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,042.17 : 958,873.14 = 422,891.89 : x
  2. Step 2: Convert to fraction form
    695,042.17/958,873.14 = 422,891.89/x
  3. Step 3: Cross multiply
    695,042.17x = 958,873.14 × 422,891.89
  4. Step 4: Simplify right side
    695,042.17x = 405,499,672,047.65
  5. Step 5: Solve for x
    x = 405,499,672,047.65/695,042.17
  6. Step 6: Final answer
    x = 583,417.37

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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.