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Finding the Fourth Proportional to 344,409.12, 516,599.52 and 119,820.48

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Solution

The fourth proportional to 344,409.12, 516,599.52 and 119,820.48 is: 179,725.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,409.12 : 516,599.52 = 119,820.48 : x
  2. Step 2: Convert to fraction form
    344,409.12/516,599.52 = 119,820.48/x
  3. Step 3: Cross multiply
    344,409.12x = 516,599.52 × 119,820.48
  4. Step 4: Simplify right side
    344,409.12x = 61,899,202,454.17
  5. Step 5: Solve for x
    x = 61,899,202,454.17/344,409.12
  6. Step 6: Final answer
    x = 179,725.79

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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.