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Finding the Fourth Proportional to 609,380.70, 914,156.10 and 254,313.33

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Solution

The fourth proportional to 609,380.70, 914,156.10 and 254,313.33 is: 381,505.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,380.70 : 914,156.10 = 254,313.33 : x
  2. Step 2: Convert to fraction form
    609,380.70/914,156.10 = 254,313.33/x
  3. Step 3: Cross multiply
    609,380.70x = 914,156.10 × 254,313.33
  4. Step 4: Simplify right side
    609,380.70x = 232,482,081,930.81
  5. Step 5: Solve for x
    x = 232,482,081,930.81/609,380.70
  6. Step 6: Final answer
    x = 381,505.49

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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.