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Finding the Fourth Proportional to 372,906.08, 514,607.28 and 203,136.56

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Solution

The fourth proportional to 372,906.08, 514,607.28 and 203,136.56 is: 280,326.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,906.08 : 514,607.28 = 203,136.56 : x
  2. Step 2: Convert to fraction form
    372,906.08/514,607.28 = 203,136.56/x
  3. Step 3: Cross multiply
    372,906.08x = 514,607.28 × 203,136.56
  4. Step 4: Simplify right side
    372,906.08x = 104,535,552,610.16
  5. Step 5: Solve for x
    x = 104,535,552,610.16/372,906.08
  6. Step 6: Final answer
    x = 280,326.76

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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.