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Finding the Fourth Proportional to 350,600.40, 483,829.20 and 199,697.40

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Solution

The fourth proportional to 350,600.40, 483,829.20 and 199,697.40 is: 275,582.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,600.40 : 483,829.20 = 199,697.40 : x
  2. Step 2: Convert to fraction form
    350,600.40/483,829.20 = 199,697.40/x
  3. Step 3: Cross multiply
    350,600.40x = 483,829.20 × 199,697.40
  4. Step 4: Simplify right side
    350,600.40x = 96,619,433,284.08
  5. Step 5: Solve for x
    x = 96,619,433,284.08/350,600.40
  6. Step 6: Final answer
    x = 275,582.78

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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.