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Finding the Fourth Proportional to 613,587.66, 920,481.22 and 181,348.98

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Solution

The fourth proportional to 613,587.66, 920,481.22 and 181,348.98 is: 272,052.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,587.66 : 920,481.22 = 181,348.98 : x
  2. Step 2: Convert to fraction form
    613,587.66/920,481.22 = 181,348.98/x
  3. Step 3: Cross multiply
    613,587.66x = 920,481.22 × 181,348.98
  4. Step 4: Simplify right side
    613,587.66x = 166,928,326,110.95
  5. Step 5: Solve for x
    x = 166,928,326,110.95/613,587.66
  6. Step 6: Final answer
    x = 272,052.94

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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.