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Finding the Fourth Proportional to 344,495.40, 516,709.69 and 104,611.38

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Solution

The fourth proportional to 344,495.40, 516,709.69 and 104,611.38 is: 156,906.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,495.40 : 516,709.69 = 104,611.38 : x
  2. Step 2: Convert to fraction form
    344,495.40/516,709.69 = 104,611.38/x
  3. Step 3: Cross multiply
    344,495.40x = 516,709.69 × 104,611.38
  4. Step 4: Simplify right side
    344,495.40x = 54,053,713,730.27
  5. Step 5: Solve for x
    x = 54,053,713,730.27/344,495.40
  6. Step 6: Final answer
    x = 156,906.92

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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.