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Finding the Fourth Proportional to 483,512.68, 725,405.10 and 168,001.48

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Solution

The fourth proportional to 483,512.68, 725,405.10 and 168,001.48 is: 252,049.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,512.68 : 725,405.10 = 168,001.48 : x
  2. Step 2: Convert to fraction form
    483,512.68/725,405.10 = 168,001.48/x
  3. Step 3: Cross multiply
    483,512.68x = 725,405.10 × 168,001.48
  4. Step 4: Simplify right side
    483,512.68x = 121,869,130,399.55
  5. Step 5: Solve for x
    x = 121,869,130,399.55/483,512.68
  6. Step 6: Final answer
    x = 252,049.50

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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.