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Finding the Fourth Proportional to 290,600.48, 401,013.25 and 163,267.88

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Solution

The fourth proportional to 290,600.48, 401,013.25 and 163,267.88 is: 225,301.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,600.48 : 401,013.25 = 163,267.88 : x
  2. Step 2: Convert to fraction form
    290,600.48/401,013.25 = 163,267.88/x
  3. Step 3: Cross multiply
    290,600.48x = 401,013.25 × 163,267.88
  4. Step 4: Simplify right side
    290,600.48x = 65,472,580,766.17
  5. Step 5: Solve for x
    x = 65,472,580,766.17/290,600.48
  6. Step 6: Final answer
    x = 225,301.01

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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.