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Finding the Fourth Proportional to 235,521.64, 324,355.84 and 234,783.44

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Solution

The fourth proportional to 235,521.64, 324,355.84 and 234,783.44 is: 323,339.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,521.64 : 324,355.84 = 234,783.44 : x
  2. Step 2: Convert to fraction form
    235,521.64/324,355.84 = 234,783.44/x
  3. Step 3: Cross multiply
    235,521.64x = 324,355.84 × 234,783.44
  4. Step 4: Simplify right side
    235,521.64x = 76,153,379,899.29
  5. Step 5: Solve for x
    x = 76,153,379,899.29/235,521.64
  6. Step 6: Final answer
    x = 323,339.21

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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.