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Finding the Fourth Proportional to 344,187.66, 474,787.72 and 319,832.04

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Solution

The fourth proportional to 344,187.66, 474,787.72 and 319,832.04 is: 441,190.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,187.66 : 474,787.72 = 319,832.04 : x
  2. Step 2: Convert to fraction form
    344,187.66/474,787.72 = 319,832.04/x
  3. Step 3: Cross multiply
    344,187.66x = 474,787.72 × 319,832.04
  4. Step 4: Simplify right side
    344,187.66x = 151,852,321,081.45
  5. Step 5: Solve for x
    x = 151,852,321,081.45/344,187.66
  6. Step 6: Final answer
    x = 441,190.49

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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.