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Finding the Fourth Proportional to 373,053.38, 514,813.73 and 203,287.50

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Solution

The fourth proportional to 373,053.38, 514,813.73 and 203,287.50 is: 280,536.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,053.38 : 514,813.73 = 203,287.50 : x
  2. Step 2: Convert to fraction form
    373,053.38/514,813.73 = 203,287.50/x
  3. Step 3: Cross multiply
    373,053.38x = 514,813.73 × 203,287.50
  4. Step 4: Simplify right side
    373,053.38x = 104,655,195,120.94
  5. Step 5: Solve for x
    x = 104,655,195,120.94/373,053.38
  6. Step 6: Final answer
    x = 280,536.79

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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.