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Finding the Fourth Proportional to 401,452.34, 554,004.18 and 222,604.34

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Solution

The fourth proportional to 401,452.34, 554,004.18 and 222,604.34 is: 307,193.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,452.34 : 554,004.18 = 222,604.34 : x
  2. Step 2: Convert to fraction form
    401,452.34/554,004.18 = 222,604.34/x
  3. Step 3: Cross multiply
    401,452.34x = 554,004.18 × 222,604.34
  4. Step 4: Simplify right side
    401,452.34x = 123,323,732,076.12
  5. Step 5: Solve for x
    x = 123,323,732,076.12/401,452.34
  6. Step 6: Final answer
    x = 307,193.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.