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Finding the Fourth Proportional to 401,067.30, 601,600.95 and 164,579.70

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Solution

The fourth proportional to 401,067.30, 601,600.95 and 164,579.70 is: 246,869.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,067.30 : 601,600.95 = 164,579.70 : x
  2. Step 2: Convert to fraction form
    401,067.30/601,600.95 = 164,579.70/x
  3. Step 3: Cross multiply
    401,067.30x = 601,600.95 × 164,579.70
  4. Step 4: Simplify right side
    401,067.30x = 99,011,303,870.72
  5. Step 5: Solve for x
    x = 99,011,303,870.72/401,067.30
  6. Step 6: Final answer
    x = 246,869.55

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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.