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Finding the Fourth Proportional to 566,297.83, 781,481.50 and 308,168.10

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Solution

The fourth proportional to 566,297.83, 781,481.50 and 308,168.10 is: 425,266.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,297.83 : 781,481.50 = 308,168.10 : x
  2. Step 2: Convert to fraction form
    566,297.83/781,481.50 = 308,168.10/x
  3. Step 3: Cross multiply
    566,297.83x = 781,481.50 × 308,168.10
  4. Step 4: Simplify right side
    566,297.83x = 240,827,672,201.09
  5. Step 5: Solve for x
    x = 240,827,672,201.09/566,297.83
  6. Step 6: Final answer
    x = 425,266.81

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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.