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Finding the Fourth Proportional to 386,053.82, 532,773.86 and 222,649.54

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Solution

The fourth proportional to 386,053.82, 532,773.86 and 222,649.54 is: 307,267.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,053.82 : 532,773.86 = 222,649.54 : x
  2. Step 2: Convert to fraction form
    386,053.82/532,773.86 = 222,649.54/x
  3. Step 3: Cross multiply
    386,053.82x = 532,773.86 × 222,649.54
  4. Step 4: Simplify right side
    386,053.82x = 118,621,854,853.02
  5. Step 5: Solve for x
    x = 118,621,854,853.02/386,053.82
  6. Step 6: Final answer
    x = 307,267.66

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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.