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Finding the Fourth Proportional to 373,313.80, 560,553.90 and 215,849.80

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Solution

The fourth proportional to 373,313.80, 560,553.90 and 215,849.80 is: 324,111.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,313.80 : 560,553.90 = 215,849.80 : x
  2. Step 2: Convert to fraction form
    373,313.80/560,553.90 = 215,849.80/x
  3. Step 3: Cross multiply
    373,313.80x = 560,553.90 × 215,849.80
  4. Step 4: Simplify right side
    373,313.80x = 120,995,447,204.22
  5. Step 5: Solve for x
    x = 120,995,447,204.22/373,313.80
  6. Step 6: Final answer
    x = 324,111.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.