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Finding the Fourth Proportional to 352,674.06, 486,690.08 and 191,529.15

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Solution

The fourth proportional to 352,674.06, 486,690.08 and 191,529.15 is: 264,310.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,674.06 : 486,690.08 = 191,529.15 : x
  2. Step 2: Convert to fraction form
    352,674.06/486,690.08 = 191,529.15/x
  3. Step 3: Cross multiply
    352,674.06x = 486,690.08 × 191,529.15
  4. Step 4: Simplify right side
    352,674.06x = 93,215,337,335.83
  5. Step 5: Solve for x
    x = 93,215,337,335.83/352,674.06
  6. Step 6: Final answer
    x = 264,310.16

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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.