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Finding the Fourth Proportional to 440,467.69, 607,835.22 and 256,694.56

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Solution

The fourth proportional to 440,467.69, 607,835.22 and 256,694.56 is: 354,232.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,467.69 : 607,835.22 = 256,694.56 : x
  2. Step 2: Convert to fraction form
    440,467.69/607,835.22 = 256,694.56/x
  3. Step 3: Cross multiply
    440,467.69x = 607,835.22 × 256,694.56
  4. Step 4: Simplify right side
    440,467.69x = 156,027,994,350.40
  5. Step 5: Solve for x
    x = 156,027,994,350.40/440,467.69
  6. Step 6: Final answer
    x = 354,232.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.