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Finding the Fourth Proportional to 344,015.40, 515,821.14 and 104,057.10

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Solution

The fourth proportional to 344,015.40, 515,821.14 and 104,057.10 is: 156,024.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,015.40 : 515,821.14 = 104,057.10 : x
  2. Step 2: Convert to fraction form
    344,015.40/515,821.14 = 104,057.10/x
  3. Step 3: Cross multiply
    344,015.40x = 515,821.14 × 104,057.10
  4. Step 4: Simplify right side
    344,015.40x = 53,674,851,947.09
  5. Step 5: Solve for x
    x = 53,674,851,947.09/344,015.40
  6. Step 6: Final answer
    x = 156,024.56

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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.