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Finding the Fourth Proportional to 482,860.98, 666,343.26 and 268,002.90

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Solution

The fourth proportional to 482,860.98, 666,343.26 and 268,002.90 is: 369,841.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,860.98 : 666,343.26 = 268,002.90 : x
  2. Step 2: Convert to fraction form
    482,860.98/666,343.26 = 268,002.90/x
  3. Step 3: Cross multiply
    482,860.98x = 666,343.26 × 268,002.90
  4. Step 4: Simplify right side
    482,860.98x = 178,581,926,075.45
  5. Step 5: Solve for x
    x = 178,581,926,075.45/482,860.98
  6. Step 6: Final answer
    x = 369,841.29

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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.