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Finding the Fourth Proportional to 344,340.56, 516,215.03 and 119,671.81

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Solution

The fourth proportional to 344,340.56, 516,215.03 and 119,671.81 is: 179,404.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,340.56 : 516,215.03 = 119,671.81 : x
  2. Step 2: Convert to fraction form
    344,340.56/516,215.03 = 119,671.81/x
  3. Step 3: Cross multiply
    344,340.56x = 516,215.03 × 119,671.81
  4. Step 4: Simplify right side
    344,340.56x = 61,776,385,100.41
  5. Step 5: Solve for x
    x = 61,776,385,100.41/344,340.56
  6. Step 6: Final answer
    x = 179,404.90

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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.