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Finding the Fourth Proportional to 482,982.65, 666,482.63 and 268,105.74

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Solution

The fourth proportional to 482,982.65, 666,482.63 and 268,105.74 is: 369,967.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,982.65 : 666,482.63 = 268,105.74 : x
  2. Step 2: Convert to fraction form
    482,982.65/666,482.63 = 268,105.74/x
  3. Step 3: Cross multiply
    482,982.65x = 666,482.63 × 268,105.74
  4. Step 4: Simplify right side
    482,982.65x = 178,687,817,372.77
  5. Step 5: Solve for x
    x = 178,687,817,372.77/482,982.65
  6. Step 6: Final answer
    x = 369,967.37

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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.