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Finding the Fourth Proportional to 372,722.80, 514,342.02 and 202,956.52

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Solution

The fourth proportional to 372,722.80, 514,342.02 and 202,956.52 is: 280,071.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,722.80 : 514,342.02 = 202,956.52 : x
  2. Step 2: Convert to fraction form
    372,722.80/514,342.02 = 202,956.52/x
  3. Step 3: Cross multiply
    372,722.80x = 514,342.02 × 202,956.52
  4. Step 4: Simplify right side
    372,722.80x = 104,389,066,468.97
  5. Step 5: Solve for x
    x = 104,389,066,468.97/372,722.80
  6. Step 6: Final answer
    x = 280,071.59

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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.