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Finding the Fourth Proportional to 555,732.15, 766,911.14 and 301,083.35

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Solution

The fourth proportional to 555,732.15, 766,911.14 and 301,083.35 is: 415,495.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,732.15 : 766,911.14 = 301,083.35 : x
  2. Step 2: Convert to fraction form
    555,732.15/766,911.14 = 301,083.35/x
  3. Step 3: Cross multiply
    555,732.15x = 766,911.14 × 301,083.35
  4. Step 4: Simplify right side
    555,732.15x = 230,904,169,843.55
  5. Step 5: Solve for x
    x = 230,904,169,843.55/555,732.15
  6. Step 6: Final answer
    x = 415,495.43

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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.