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Finding the Fourth Proportional to 352,379.60, 486,284.18 and 191,234.69

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Solution

The fourth proportional to 352,379.60, 486,284.18 and 191,234.69 is: 263,904.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,379.60 : 486,284.18 = 191,234.69 : x
  2. Step 2: Convert to fraction form
    352,379.60/486,284.18 = 191,234.69/x
  3. Step 3: Cross multiply
    352,379.60x = 486,284.18 × 191,234.69
  4. Step 4: Simplify right side
    352,379.60x = 92,994,401,026.61
  5. Step 5: Solve for x
    x = 92,994,401,026.61/352,379.60
  6. Step 6: Final answer
    x = 263,904.05

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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.