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Finding the Fourth Proportional to 372,468.20, 514,016.88 and 202,713.08

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Solution

The fourth proportional to 372,468.20, 514,016.88 and 202,713.08 is: 279,749.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,468.20 : 514,016.88 = 202,713.08 : x
  2. Step 2: Convert to fraction form
    372,468.20/514,016.88 = 202,713.08/x
  3. Step 3: Cross multiply
    372,468.20x = 514,016.88 × 202,713.08
  4. Step 4: Simplify right side
    372,468.20x = 104,197,944,916.79
  5. Step 5: Solve for x
    x = 104,197,944,916.79/372,468.20
  6. Step 6: Final answer
    x = 279,749.91

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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.