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Finding the Fourth Proportional to 372,626.94, 514,230.75 and 202,863.90

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Solution

The fourth proportional to 372,626.94, 514,230.75 and 202,863.90 is: 279,955.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,626.94 : 514,230.75 = 202,863.90 : x
  2. Step 2: Convert to fraction form
    372,626.94/514,230.75 = 202,863.90/x
  3. Step 3: Cross multiply
    372,626.94x = 514,230.75 × 202,863.90
  4. Step 4: Simplify right side
    372,626.94x = 104,318,855,444.93
  5. Step 5: Solve for x
    x = 104,318,855,444.93/372,626.94
  6. Step 6: Final answer
    x = 279,955.22

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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.