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Finding the Fourth Proportional to 372,672.36, 514,288.44 and 202,907.16

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Solution

The fourth proportional to 372,672.36, 514,288.44 and 202,907.16 is: 280,012.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,672.36 : 514,288.44 = 202,907.16 : x
  2. Step 2: Convert to fraction form
    372,672.36/514,288.44 = 202,907.16/x
  3. Step 3: Cross multiply
    372,672.36x = 514,288.44 × 202,907.16
  4. Step 4: Simplify right side
    372,672.36x = 104,352,806,781.23
  5. Step 5: Solve for x
    x = 104,352,806,781.23/372,672.36
  6. Step 6: Final answer
    x = 280,012.20

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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.