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Finding the Fourth Proportional to 330,162.96, 494,140.94 and 187,970.06

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Solution

The fourth proportional to 330,162.96, 494,140.94 and 187,970.06 is: 281,326.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,162.96 : 494,140.94 = 187,970.06 : x
  2. Step 2: Convert to fraction form
    330,162.96/494,140.94 = 187,970.06/x
  3. Step 3: Cross multiply
    330,162.96x = 494,140.94 × 187,970.06
  4. Step 4: Simplify right side
    330,162.96x = 92,883,703,835.53
  5. Step 5: Solve for x
    x = 92,883,703,835.53/330,162.96
  6. Step 6: Final answer
    x = 281,326.84

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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.