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Finding the Fourth Proportional to 373,822.40, 560,863.20 and 163,611.20

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Solution

The fourth proportional to 373,822.40, 560,863.20 and 163,611.20 is: 245,473.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,822.40 : 560,863.20 = 163,611.20 : x
  2. Step 2: Convert to fraction form
    373,822.40/560,863.20 = 163,611.20/x
  3. Step 3: Cross multiply
    373,822.40x = 560,863.20 × 163,611.20
  4. Step 4: Simplify right side
    373,822.40x = 91,763,501,187.84
  5. Step 5: Solve for x
    x = 91,763,501,187.84/373,822.40
  6. Step 6: Final answer
    x = 245,473.52

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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.