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Finding the Fourth Proportional to 482,906.98, 666,441.88 and 268,050.63

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Solution

The fourth proportional to 482,906.98, 666,441.88 and 268,050.63 is: 369,926.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,906.98 : 666,441.88 = 268,050.63 : x
  2. Step 2: Convert to fraction form
    482,906.98/666,441.88 = 268,050.63/x
  3. Step 3: Cross multiply
    482,906.98x = 666,441.88 × 268,050.63
  4. Step 4: Simplify right side
    482,906.98x = 178,640,167,621.42
  5. Step 5: Solve for x
    x = 178,640,167,621.42/482,906.98
  6. Step 6: Final answer
    x = 369,926.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.