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Finding the Fourth Proportional to 439,755.86, 607,241.84 and 276,684.26

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Solution

The fourth proportional to 439,755.86, 607,241.84 and 276,684.26 is: 382,062.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,755.86 : 607,241.84 = 276,684.26 : x
  2. Step 2: Convert to fraction form
    439,755.86/607,241.84 = 276,684.26/x
  3. Step 3: Cross multiply
    439,755.86x = 607,241.84 × 276,684.26
  4. Step 4: Simplify right side
    439,755.86x = 168,014,259,141.44
  5. Step 5: Solve for x
    x = 168,014,259,141.44/439,755.86
  6. Step 6: Final answer
    x = 382,062.58

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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.