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Finding the Fourth Proportional to 511,790.22, 706,042.06 and 296,805.68

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Solution

The fourth proportional to 511,790.22, 706,042.06 and 296,805.68 is: 409,459.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,790.22 : 706,042.06 = 296,805.68 : x
  2. Step 2: Convert to fraction form
    511,790.22/706,042.06 = 296,805.68/x
  3. Step 3: Cross multiply
    511,790.22x = 706,042.06 × 296,805.68
  4. Step 4: Simplify right side
    511,790.22x = 209,557,293,726.90
  5. Step 5: Solve for x
    x = 209,557,293,726.90/511,790.22
  6. Step 6: Final answer
    x = 409,459.36

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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.