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Finding the Fourth Proportional to 440,850.44, 607,293.78 and 319,635.56

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Solution

The fourth proportional to 440,850.44, 607,293.78 and 319,635.56 is: 440,314.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,850.44 : 607,293.78 = 319,635.56 : x
  2. Step 2: Convert to fraction form
    440,850.44/607,293.78 = 319,635.56/x
  3. Step 3: Cross multiply
    440,850.44x = 607,293.78 × 319,635.56
  4. Step 4: Simplify right side
    440,850.44x = 194,112,687,454.82
  5. Step 5: Solve for x
    x = 194,112,687,454.82/440,850.44
  6. Step 6: Final answer
    x = 440,314.15

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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.