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Finding the Fourth Proportional to 319,304.88, 479,027.79 and 94,683.24

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Solution

The fourth proportional to 319,304.88, 479,027.79 and 94,683.24 is: 142,045.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,304.88 : 479,027.79 = 94,683.24 : x
  2. Step 2: Convert to fraction form
    319,304.88/479,027.79 = 94,683.24/x
  3. Step 3: Cross multiply
    319,304.88x = 479,027.79 × 94,683.24
  4. Step 4: Simplify right side
    319,304.88x = 45,355,903,207.24
  5. Step 5: Solve for x
    x = 45,355,903,207.24/319,304.88
  6. Step 6: Final answer
    x = 142,045.76

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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.