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Finding the Fourth Proportional to 417,935.58, 627,009.48 and 193,457.94

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Solution

The fourth proportional to 417,935.58, 627,009.48 and 193,457.94 is: 290,236.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,935.58 : 627,009.48 = 193,457.94 : x
  2. Step 2: Convert to fraction form
    417,935.58/627,009.48 = 193,457.94/x
  3. Step 3: Cross multiply
    417,935.58x = 627,009.48 × 193,457.94
  4. Step 4: Simplify right side
    417,935.58x = 121,299,962,361.27
  5. Step 5: Solve for x
    x = 121,299,962,361.27/417,935.58
  6. Step 6: Final answer
    x = 290,236.03

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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.