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Finding the Fourth Proportional to 372,606.57, 514,197 and 202,840.65

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Solution

The fourth proportional to 372,606.57, 514,197 and 202,840.65 is: 279,920.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,606.57 : 514,197 = 202,840.65 : x
  2. Step 2: Convert to fraction form
    372,606.57/514,197 = 202,840.65/x
  3. Step 3: Cross multiply
    372,606.57x = 514,197 × 202,840.65
  4. Step 4: Simplify right side
    372,606.57x = 104,300,053,708.05
  5. Step 5: Solve for x
    x = 104,300,053,708.05/372,606.57
  6. Step 6: Final answer
    x = 279,920.06

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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.