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Finding the Fourth Proportional to 344,635.66, 516,741.63 and 134,028.10

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Solution

The fourth proportional to 344,635.66, 516,741.63 and 134,028.10 is: 200,959.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,635.66 : 516,741.63 = 134,028.10 : x
  2. Step 2: Convert to fraction form
    344,635.66/516,741.63 = 134,028.10/x
  3. Step 3: Cross multiply
    344,635.66x = 516,741.63 × 134,028.10
  4. Step 4: Simplify right side
    344,635.66x = 69,257,898,859.80
  5. Step 5: Solve for x
    x = 69,257,898,859.80/344,635.66
  6. Step 6: Final answer
    x = 200,959.76

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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.