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Finding the Fourth Proportional to 324,732.80, 487,682.40 and 236,086.40

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Solution

The fourth proportional to 324,732.80, 487,682.40 and 236,086.40 is: 354,553.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,732.80 : 487,682.40 = 236,086.40 : x
  2. Step 2: Convert to fraction form
    324,732.80/487,682.40 = 236,086.40/x
  3. Step 3: Cross multiply
    324,732.80x = 487,682.40 × 236,086.40
  4. Step 4: Simplify right side
    324,732.80x = 115,135,182,159.36
  5. Step 5: Solve for x
    x = 115,135,182,159.36/324,732.80
  6. Step 6: Final answer
    x = 354,553.60

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1.5x scale

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.