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Finding the Fourth Proportional to 330,063.61, 494,651.94 and 180,079.15

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Solution

The fourth proportional to 330,063.61, 494,651.94 and 180,079.15 is: 269,876.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,063.61 : 494,651.94 = 180,079.15 : x
  2. Step 2: Convert to fraction form
    330,063.61/494,651.94 = 180,079.15/x
  3. Step 3: Cross multiply
    330,063.61x = 494,651.94 × 180,079.15
  4. Step 4: Simplify right side
    330,063.61x = 89,076,500,901.05
  5. Step 5: Solve for x
    x = 89,076,500,901.05/330,063.61
  6. Step 6: Final answer
    x = 269,876.77

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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.