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Finding the Fourth Proportional to 344,342.42, 516,217.81 and 119,673.67

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Solution

The fourth proportional to 344,342.42, 516,217.81 and 119,673.67 is: 179,407.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,342.42 : 516,217.81 = 119,673.67 : x
  2. Step 2: Convert to fraction form
    344,342.42/516,217.81 = 119,673.67/x
  3. Step 3: Cross multiply
    344,342.42x = 516,217.81 × 119,673.67
  4. Step 4: Simplify right side
    344,342.42x = 61,777,679,842.06
  5. Step 5: Solve for x
    x = 61,777,679,842.06/344,342.42
  6. Step 6: Final answer
    x = 179,407.69

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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.