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Finding the Fourth Proportional to 401,881.80, 603,417.90 and 224,742.60

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Solution

The fourth proportional to 401,881.80, 603,417.90 and 224,742.60 is: 337,446.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,881.80 : 603,417.90 = 224,742.60 : x
  2. Step 2: Convert to fraction form
    401,881.80/603,417.90 = 224,742.60/x
  3. Step 3: Cross multiply
    401,881.80x = 603,417.90 × 224,742.60
  4. Step 4: Simplify right side
    401,881.80x = 135,613,707,732.54
  5. Step 5: Solve for x
    x = 135,613,707,732.54/401,881.80
  6. Step 6: Final answer
    x = 337,446.75

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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.