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Finding the Fourth Proportional to 373,022.12, 514,770.42 and 203,256.12

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Solution

The fourth proportional to 373,022.12, 514,770.42 and 203,256.12 is: 280,493.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,022.12 : 514,770.42 = 203,256.12 : x
  2. Step 2: Convert to fraction form
    373,022.12/514,770.42 = 203,256.12/x
  3. Step 3: Cross multiply
    373,022.12x = 514,770.42 × 203,256.12
  4. Step 4: Simplify right side
    373,022.12x = 104,630,238,259.97
  5. Step 5: Solve for x
    x = 104,630,238,259.97/373,022.12
  6. Step 6: Final answer
    x = 280,493.39

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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.