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Finding the Fourth Proportional to 370,164.72, 510,828.48 and 200,399.52

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Solution

The fourth proportional to 370,164.72, 510,828.48 and 200,399.52 is: 276,551.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,164.72 : 510,828.48 = 200,399.52 : x
  2. Step 2: Convert to fraction form
    370,164.72/510,828.48 = 200,399.52/x
  3. Step 3: Cross multiply
    370,164.72x = 510,828.48 × 200,399.52
  4. Step 4: Simplify right side
    370,164.72x = 102,369,782,194.33
  5. Step 5: Solve for x
    x = 102,369,782,194.33/370,164.72
  6. Step 6: Final answer
    x = 276,551.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.