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Finding the Fourth Proportional to 344,004.20, 515,228.70 and 204,036.20

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Solution

The fourth proportional to 344,004.20, 515,228.70 and 204,036.20 is: 305,593.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,004.20 : 515,228.70 = 204,036.20 : x
  2. Step 2: Convert to fraction form
    344,004.20/515,228.70 = 204,036.20/x
  3. Step 3: Cross multiply
    344,004.20x = 515,228.70 × 204,036.20
  4. Step 4: Simplify right side
    344,004.20x = 105,125,306,078.94
  5. Step 5: Solve for x
    x = 105,125,306,078.94/344,004.20
  6. Step 6: Final answer
    x = 305,593.09

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1.5x scale

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.