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Finding the Fourth Proportional to 415,089.88, 622,886.82 and 165,751

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Solution

The fourth proportional to 415,089.88, 622,886.82 and 165,751 is: 248,727.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,089.88 : 622,886.82 = 165,751 : x
  2. Step 2: Convert to fraction form
    415,089.88/622,886.82 = 165,751/x
  3. Step 3: Cross multiply
    415,089.88x = 622,886.82 × 165,751
  4. Step 4: Simplify right side
    415,089.88x = 103,244,113,301.82
  5. Step 5: Solve for x
    x = 103,244,113,301.82/415,089.88
  6. Step 6: Final answer
    x = 248,727.13

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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.