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Finding the Fourth Proportional to 373,542.10, 515,487.44 and 203,776.22

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Solution

The fourth proportional to 373,542.10, 515,487.44 and 203,776.22 is: 281,210.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,542.10 : 515,487.44 = 203,776.22 : x
  2. Step 2: Convert to fraction form
    373,542.10/515,487.44 = 203,776.22/x
  3. Step 3: Cross multiply
    373,542.10x = 515,487.44 × 203,776.22
  4. Step 4: Simplify right side
    373,542.10x = 105,044,083,778.84
  5. Step 5: Solve for x
    x = 105,044,083,778.84/373,542.10
  6. Step 6: Final answer
    x = 281,210.83

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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.