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Finding the Fourth Proportional to 352,339.95, 486,226.67 and 191,190.90

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Solution

The fourth proportional to 352,339.95, 486,226.67 and 191,190.90 is: 263,842.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,339.95 : 486,226.67 = 191,190.90 : x
  2. Step 2: Convert to fraction form
    352,339.95/486,226.67 = 191,190.90/x
  3. Step 3: Cross multiply
    352,339.95x = 486,226.67 × 191,190.90
  4. Step 4: Simplify right side
    352,339.95x = 92,962,113,685.35
  5. Step 5: Solve for x
    x = 92,962,113,685.35/352,339.95
  6. Step 6: Final answer
    x = 263,842.10

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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.