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Finding the Fourth Proportional to 613,240.56, 919,861.11 and 275,887.26

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Solution

The fourth proportional to 613,240.56, 919,861.11 and 275,887.26 is: 413,831.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,240.56 : 919,861.11 = 275,887.26 : x
  2. Step 2: Convert to fraction form
    613,240.56/919,861.11 = 275,887.26/x
  3. Step 3: Cross multiply
    613,240.56x = 919,861.11 × 275,887.26
  4. Step 4: Simplify right side
    613,240.56x = 253,777,961,218.46
  5. Step 5: Solve for x
    x = 253,777,961,218.46/613,240.56
  6. Step 6: Final answer
    x = 413,831.01

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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.