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Finding the Fourth Proportional to 352,246.65, 486,101.30 and 191,101.69

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Solution

The fourth proportional to 352,246.65, 486,101.30 and 191,101.69 is: 263,720.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,246.65 : 486,101.30 = 191,101.69 : x
  2. Step 2: Convert to fraction form
    352,246.65/486,101.30 = 191,101.69/x
  3. Step 3: Cross multiply
    352,246.65x = 486,101.30 × 191,101.69
  4. Step 4: Simplify right side
    352,246.65x = 92,894,779,941.20
  5. Step 5: Solve for x
    x = 92,894,779,941.20/352,246.65
  6. Step 6: Final answer
    x = 263,720.83

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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.