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Finding the Fourth Proportional to 372,959.88, 514,684.69 and 203,194.01

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Solution

The fourth proportional to 372,959.88, 514,684.69 and 203,194.01 is: 280,407.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,959.88 : 514,684.69 = 203,194.01 : x
  2. Step 2: Convert to fraction form
    372,959.88/514,684.69 = 203,194.01/x
  3. Step 3: Cross multiply
    372,959.88x = 514,684.69 × 203,194.01
  4. Step 4: Simplify right side
    372,959.88x = 104,580,843,473.28
  5. Step 5: Solve for x
    x = 104,580,843,473.28/372,959.88
  6. Step 6: Final answer
    x = 280,407.76

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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.