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Finding the Fourth Proportional to 404,422.56, 558,120.93 and 232,394.49

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Solution

The fourth proportional to 404,422.56, 558,120.93 and 232,394.49 is: 320,714.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,422.56 : 558,120.93 = 232,394.49 : x
  2. Step 2: Convert to fraction form
    404,422.56/558,120.93 = 232,394.49/x
  3. Step 3: Cross multiply
    404,422.56x = 558,120.93 × 232,394.49
  4. Step 4: Simplify right side
    404,422.56x = 129,704,228,885.68
  5. Step 5: Solve for x
    x = 129,704,228,885.68/404,422.56
  6. Step 6: Final answer
    x = 320,714.62

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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.