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Finding the Fourth Proportional to 439,850.22, 607,562.73 and 325,361.58

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Solution

The fourth proportional to 439,850.22, 607,562.73 and 325,361.58 is: 449,420.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,850.22 : 607,562.73 = 325,361.58 : x
  2. Step 2: Convert to fraction form
    439,850.22/607,562.73 = 325,361.58/x
  3. Step 3: Cross multiply
    439,850.22x = 607,562.73 × 325,361.58
  4. Step 4: Simplify right side
    439,850.22x = 197,677,569,781.91
  5. Step 5: Solve for x
    x = 197,677,569,781.91/439,850.22
  6. Step 6: Final answer
    x = 449,420.19

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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.