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Finding the Fourth Proportional to 372,568.39, 514,144.44 and 202,802.50

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Solution

The fourth proportional to 372,568.39, 514,144.44 and 202,802.50 is: 279,867.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,568.39 : 514,144.44 = 202,802.50 : x
  2. Step 2: Convert to fraction form
    372,568.39/514,144.44 = 202,802.50/x
  3. Step 3: Cross multiply
    372,568.39x = 514,144.44 × 202,802.50
  4. Step 4: Simplify right side
    372,568.39x = 104,269,777,793.10
  5. Step 5: Solve for x
    x = 104,269,777,793.10/372,568.39
  6. Step 6: Final answer
    x = 279,867.48

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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.