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Finding the Fourth Proportional to 482,870.44, 666,348.40 and 268,004.96

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Solution

The fourth proportional to 482,870.44, 666,348.40 and 268,004.96 is: 369,839.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,870.44 : 666,348.40 = 268,004.96 : x
  2. Step 2: Convert to fraction form
    482,870.44/666,348.40 = 268,004.96/x
  3. Step 3: Cross multiply
    482,870.44x = 666,348.40 × 268,004.96
  4. Step 4: Simplify right side
    482,870.44x = 178,584,676,288.06
  5. Step 5: Solve for x
    x = 178,584,676,288.06/482,870.44
  6. Step 6: Final answer
    x = 369,839.74

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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.