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Finding the Fourth Proportional to 352,491.93, 486,447.54 and 191,346.63

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Solution

The fourth proportional to 352,491.93, 486,447.54 and 191,346.63 is: 264,063.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,491.93 : 486,447.54 = 191,346.63 : x
  2. Step 2: Convert to fraction form
    352,491.93/486,447.54 = 191,346.63/x
  3. Step 3: Cross multiply
    352,491.93x = 486,447.54 × 191,346.63
  4. Step 4: Simplify right side
    352,491.93x = 93,080,097,450.79
  5. Step 5: Solve for x
    x = 93,080,097,450.79/352,491.93
  6. Step 6: Final answer
    x = 264,063.06

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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.