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Finding the Fourth Proportional to 609,331.96, 913,401.36 and 254,447.47

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Solution

The fourth proportional to 609,331.96, 913,401.36 and 254,447.47 is: 381,422.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,331.96 : 913,401.36 = 254,447.47 : x
  2. Step 2: Convert to fraction form
    609,331.96/913,401.36 = 254,447.47/x
  3. Step 3: Cross multiply
    609,331.96x = 913,401.36 × 254,447.47
  4. Step 4: Simplify right side
    609,331.96x = 232,412,665,146.56
  5. Step 5: Solve for x
    x = 232,412,665,146.56/609,331.96
  6. Step 6: Final answer
    x = 381,422.08

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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.