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Finding the Fourth Proportional to 352,846.40, 486,892.92 and 199,854.14

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Solution

The fourth proportional to 352,846.40, 486,892.92 and 199,854.14 is: 275,778.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,846.40 : 486,892.92 = 199,854.14 : x
  2. Step 2: Convert to fraction form
    352,846.40/486,892.92 = 199,854.14/x
  3. Step 3: Cross multiply
    352,846.40x = 486,892.92 × 199,854.14
  4. Step 4: Simplify right side
    352,846.40x = 97,307,565,798.69
  5. Step 5: Solve for x
    x = 97,307,565,798.69/352,846.40
  6. Step 6: Final answer
    x = 275,778.83

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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.