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Finding the Fourth Proportional to 344,493.31, 516,706.55 and 104,609.28

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Solution

The fourth proportional to 344,493.31, 516,706.55 and 104,609.28 is: 156,903.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,493.31 : 516,706.55 = 104,609.28 : x
  2. Step 2: Convert to fraction form
    344,493.31/516,706.55 = 104,609.28/x
  3. Step 3: Cross multiply
    344,493.31x = 516,706.55 × 104,609.28
  4. Step 4: Simplify right side
    344,493.31x = 54,052,300,166.78
  5. Step 5: Solve for x
    x = 54,052,300,166.78/344,493.31
  6. Step 6: Final answer
    x = 156,903.77

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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.