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Finding the Fourth Proportional to 403,362.91, 604,945.95 and 166,773.25

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Solution

The fourth proportional to 403,362.91, 604,945.95 and 166,773.25 is: 250,119.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,362.91 : 604,945.95 = 166,773.25 : x
  2. Step 2: Convert to fraction form
    403,362.91/604,945.95 = 166,773.25/x
  3. Step 3: Cross multiply
    403,362.91x = 604,945.95 × 166,773.25
  4. Step 4: Simplify right side
    403,362.91x = 100,888,802,155.84
  5. Step 5: Solve for x
    x = 100,888,802,155.84/403,362.91
  6. Step 6: Final answer
    x = 250,119.18

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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.