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Finding the Fourth Proportional to 344,343.43, 516,219.31 and 119,674.67

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Solution

The fourth proportional to 344,343.43, 516,219.31 and 119,674.67 is: 179,409.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,343.43 : 516,219.31 = 119,674.67 : x
  2. Step 2: Convert to fraction form
    344,343.43/516,219.31 = 119,674.67/x
  3. Step 3: Cross multiply
    344,343.43x = 516,219.31 × 119,674.67
  4. Step 4: Simplify right side
    344,343.43x = 61,778,376,563.24
  5. Step 5: Solve for x
    x = 61,778,376,563.24/344,343.43
  6. Step 6: Final answer
    x = 179,409.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.