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Finding the Fourth Proportional to 401,295.82, 553,773.54 and 220,003.77

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Solution

The fourth proportional to 401,295.82, 553,773.54 and 220,003.77 is: 303,597.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,295.82 : 553,773.54 = 220,003.77 : x
  2. Step 2: Convert to fraction form
    401,295.82/553,773.54 = 220,003.77/x
  3. Step 3: Cross multiply
    401,295.82x = 553,773.54 × 220,003.77
  4. Step 4: Simplify right side
    401,295.82x = 121,832,266,014.14
  5. Step 5: Solve for x
    x = 121,832,266,014.14/401,295.82
  6. Step 6: Final answer
    x = 303,597.15

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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.