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Finding the Fourth Proportional to 352,679.43, 486,697.50 and 191,534.52

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Solution

The fourth proportional to 352,679.43, 486,697.50 and 191,534.52 is: 264,317.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,679.43 : 486,697.50 = 191,534.52 : x
  2. Step 2: Convert to fraction form
    352,679.43/486,697.50 = 191,534.52/x
  3. Step 3: Cross multiply
    352,679.43x = 486,697.50 × 191,534.52
  4. Step 4: Simplify right side
    352,679.43x = 93,219,372,047.70
  5. Step 5: Solve for x
    x = 93,219,372,047.70/352,679.43
  6. Step 6: Final answer
    x = 264,317.58

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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.