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Finding the Fourth Proportional to 372,633.52, 514,233.88 and 202,867.64

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Solution

The fourth proportional to 372,633.52, 514,233.88 and 202,867.64 is: 279,957.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,633.52 : 514,233.88 = 202,867.64 : x
  2. Step 2: Convert to fraction form
    372,633.52/514,233.88 = 202,867.64/x
  3. Step 3: Cross multiply
    372,633.52x = 514,233.88 × 202,867.64
  4. Step 4: Simplify right side
    372,633.52x = 104,321,413,643.64
  5. Step 5: Solve for x
    x = 104,321,413,643.64/372,633.52
  6. Step 6: Final answer
    x = 279,957.14

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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.