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Finding the Fourth Proportional to 344,493.89, 516,707.43 and 104,609.87

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Solution

The fourth proportional to 344,493.89, 516,707.43 and 104,609.87 is: 156,904.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,493.89 : 516,707.43 = 104,609.87 : x
  2. Step 2: Convert to fraction form
    344,493.89/516,707.43 = 104,609.87/x
  3. Step 3: Cross multiply
    344,493.89x = 516,707.43 × 104,609.87
  4. Step 4: Simplify right side
    344,493.89x = 54,052,697,080.33
  5. Step 5: Solve for x
    x = 54,052,697,080.33/344,493.89
  6. Step 6: Final answer
    x = 156,904.66

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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.