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Finding the Fourth Proportional to 401,486.52, 602,463.08 and 179,870.52

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Solution

The fourth proportional to 401,486.52, 602,463.08 and 179,870.52 is: 269,910.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,486.52 : 602,463.08 = 179,870.52 : x
  2. Step 2: Convert to fraction form
    401,486.52/602,463.08 = 179,870.52/x
  3. Step 3: Cross multiply
    401,486.52x = 602,463.08 × 179,870.52
  4. Step 4: Simplify right side
    401,486.52x = 108,365,347,480.40
  5. Step 5: Solve for x
    x = 108,365,347,480.40/401,486.52
  6. Step 6: Final answer
    x = 269,910.30

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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.