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Finding the Fourth Proportional to 319,539.44, 478,852.43 and 234,633.42

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Solution

The fourth proportional to 319,539.44, 478,852.43 and 234,633.42 is: 351,614.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,539.44 : 478,852.43 = 234,633.42 : x
  2. Step 2: Convert to fraction form
    319,539.44/478,852.43 = 234,633.42/x
  3. Step 3: Cross multiply
    319,539.44x = 478,852.43 × 234,633.42
  4. Step 4: Simplify right side
    319,539.44x = 112,354,783,326.21
  5. Step 5: Solve for x
    x = 112,354,783,326.21/319,539.44
  6. Step 6: Final answer
    x = 351,614.76

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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.