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Finding the Fourth Proportional to 324,496.53, 485,786.36 and 239,693.58

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Solution

The fourth proportional to 324,496.53, 485,786.36 and 239,693.58 is: 358,832.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,496.53 : 485,786.36 = 239,693.58 : x
  2. Step 2: Convert to fraction form
    324,496.53/485,786.36 = 239,693.58/x
  3. Step 3: Cross multiply
    324,496.53x = 485,786.36 × 239,693.58
  4. Step 4: Simplify right side
    324,496.53x = 116,439,872,342.80
  5. Step 5: Solve for x
    x = 116,439,872,342.80/324,496.53
  6. Step 6: Final answer
    x = 358,832.41

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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.