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Finding the Fourth Proportional to 344,366.64, 516,520.80 and 119,669.40

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Solution

The fourth proportional to 344,366.64, 516,520.80 and 119,669.40 is: 179,493.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,366.64 : 516,520.80 = 119,669.40 : x
  2. Step 2: Convert to fraction form
    344,366.64/516,520.80 = 119,669.40/x
  3. Step 3: Cross multiply
    344,366.64x = 516,520.80 × 119,669.40
  4. Step 4: Simplify right side
    344,366.64x = 61,811,734,223.52
  5. Step 5: Solve for x
    x = 61,811,734,223.52/344,366.64
  6. Step 6: Final answer
    x = 179,493.97

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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.