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Finding the Fourth Proportional to 607,008.56, 910,279.56 and 419,451.44

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Solution

The fourth proportional to 607,008.56, 910,279.56 and 419,451.44 is: 629,015.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,008.56 : 910,279.56 = 419,451.44 : x
  2. Step 2: Convert to fraction form
    607,008.56/910,279.56 = 419,451.44/x
  3. Step 3: Cross multiply
    607,008.56x = 910,279.56 × 419,451.44
  4. Step 4: Simplify right side
    607,008.56x = 381,818,072,244.57
  5. Step 5: Solve for x
    x = 381,818,072,244.57/607,008.56
  6. Step 6: Final answer
    x = 629,015.96

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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.