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Finding the Fourth Proportional to 373,021, 514,769.22 and 203,255.08

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Solution

The fourth proportional to 373,021, 514,769.22 and 203,255.08 is: 280,492.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,021 : 514,769.22 = 203,255.08 : x
  2. Step 2: Convert to fraction form
    373,021/514,769.22 = 203,255.08/x
  3. Step 3: Cross multiply
    373,021x = 514,769.22 × 203,255.08
  4. Step 4: Simplify right side
    373,021x = 104,629,458,992.64
  5. Step 5: Solve for x
    x = 104,629,458,992.64/373,021
  6. Step 6: Final answer
    x = 280,492.14

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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.