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Finding the Fourth Proportional to 373,426.92, 515,313.54 and 203,650.92

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Solution

The fourth proportional to 373,426.92, 515,313.54 and 203,650.92 is: 281,029.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,426.92 : 515,313.54 = 203,650.92 : x
  2. Step 2: Convert to fraction form
    373,426.92/515,313.54 = 203,650.92/x
  3. Step 3: Cross multiply
    373,426.92x = 515,313.54 × 203,650.92
  4. Step 4: Simplify right side
    373,426.92x = 104,944,076,509.46
  5. Step 5: Solve for x
    x = 104,944,076,509.46/373,426.92
  6. Step 6: Final answer
    x = 281,029.76

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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.