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Finding the Fourth Proportional to 324,062.60, 486,093.90 and 199,473.80

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Solution

The fourth proportional to 324,062.60, 486,093.90 and 199,473.80 is: 299,210.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,062.60 : 486,093.90 = 199,473.80 : x
  2. Step 2: Convert to fraction form
    324,062.60/486,093.90 = 199,473.80/x
  3. Step 3: Cross multiply
    324,062.60x = 486,093.90 × 199,473.80
  4. Step 4: Simplify right side
    324,062.60x = 96,962,997,389.82
  5. Step 5: Solve for x
    x = 96,962,997,389.82/324,062.60
  6. Step 6: Final answer
    x = 299,210.70

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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.