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Finding the Fourth Proportional to 372,649.96, 514,239.78 and 202,883.56

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Solution

The fourth proportional to 372,649.96, 514,239.78 and 202,883.56 is: 279,969.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,649.96 : 514,239.78 = 202,883.56 : x
  2. Step 2: Convert to fraction form
    372,649.96/514,239.78 = 202,883.56/x
  3. Step 3: Cross multiply
    372,649.96x = 514,239.78 × 202,883.56
  4. Step 4: Simplify right side
    372,649.96x = 104,330,797,260.02
  5. Step 5: Solve for x
    x = 104,330,797,260.02/372,649.96
  6. Step 6: Final answer
    x = 279,969.97

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1.5x scale

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.