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Finding the Fourth Proportional to 482,866.68, 666,324.72 and 268,006.80

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Solution

The fourth proportional to 482,866.68, 666,324.72 and 268,006.80 is: 369,832.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,866.68 : 666,324.72 = 268,006.80 : x
  2. Step 2: Convert to fraction form
    482,866.68/666,324.72 = 268,006.80/x
  3. Step 3: Cross multiply
    482,866.68x = 666,324.72 × 268,006.80
  4. Step 4: Simplify right side
    482,866.68x = 178,579,555,968.10
  5. Step 5: Solve for x
    x = 178,579,555,968.10/482,866.68
  6. Step 6: Final answer
    x = 369,832.01

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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.