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Finding the Fourth Proportional to 372,568.50, 514,144.59 and 202,803.90

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Solution

The fourth proportional to 372,568.50, 514,144.59 and 202,803.90 is: 279,869.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,568.50 : 514,144.59 = 202,803.90 : x
  2. Step 2: Convert to fraction form
    372,568.50/514,144.59 = 202,803.90/x
  3. Step 3: Cross multiply
    372,568.50x = 514,144.59 × 202,803.90
  4. Step 4: Simplify right side
    372,568.50x = 104,270,528,015.90
  5. Step 5: Solve for x
    x = 104,270,528,015.90/372,568.50
  6. Step 6: Final answer
    x = 279,869.41

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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.