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Finding the Fourth Proportional to 401,233.20, 601,655.40 and 223,551.60

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Solution

The fourth proportional to 401,233.20, 601,655.40 and 223,551.60 is: 335,219.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,233.20 : 601,655.40 = 223,551.60 : x
  2. Step 2: Convert to fraction form
    401,233.20/601,655.40 = 223,551.60/x
  3. Step 3: Cross multiply
    401,233.20x = 601,655.40 × 223,551.60
  4. Step 4: Simplify right side
    401,233.20x = 134,501,027,318.64
  5. Step 5: Solve for x
    x = 134,501,027,318.64/401,233.20
  6. Step 6: Final answer
    x = 335,219.09

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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.