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Finding the Fourth Proportional to 401,687.04, 601,727.28 and 241,674.72

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Solution

The fourth proportional to 401,687.04, 601,727.28 and 241,674.72 is: 362,028.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,687.04 : 601,727.28 = 241,674.72 : x
  2. Step 2: Convert to fraction form
    401,687.04/601,727.28 = 241,674.72/x
  3. Step 3: Cross multiply
    401,687.04x = 601,727.28 × 241,674.72
  4. Step 4: Simplify right side
    401,687.04x = 145,422,271,910.36
  5. Step 5: Solve for x
    x = 145,422,271,910.36/401,687.04
  6. Step 6: Final answer
    x = 362,028.79

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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.