Home / 344,078.20-516,117.30-293,339.80

Finding the Fourth Proportional to 344,078.20, 516,117.30 and 293,339.80

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Solution

The fourth proportional to 344,078.20, 516,117.30 and 293,339.80 is: 440,009.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,078.20 : 516,117.30 = 293,339.80 : x
  2. Step 2: Convert to fraction form
    344,078.20/516,117.30 = 293,339.80/x
  3. Step 3: Cross multiply
    344,078.20x = 516,117.30 × 293,339.80
  4. Step 4: Simplify right side
    344,078.20x = 151,397,745,558.54
  5. Step 5: Solve for x
    x = 151,397,745,558.54/344,078.20
  6. Step 6: Final answer
    x = 440,009.70

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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.