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Finding the Fourth Proportional to 401,473.72, 601,028.38 and 268,022.98

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Solution

The fourth proportional to 401,473.72, 601,028.38 and 268,022.98 is: 401,245.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,473.72 : 601,028.38 = 268,022.98 : x
  2. Step 2: Convert to fraction form
    401,473.72/601,028.38 = 268,022.98/x
  3. Step 3: Cross multiply
    401,473.72x = 601,028.38 × 268,022.98
  4. Step 4: Simplify right side
    401,473.72x = 161,089,417,472.17
  5. Step 5: Solve for x
    x = 161,089,417,472.17/401,473.72
  6. Step 6: Final answer
    x = 401,245.24

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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.