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Finding the Fourth Proportional to 844,476.88, 1,266,798.30 and 245,443

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Solution

The fourth proportional to 844,476.88, 1,266,798.30 and 245,443 is: 368,188.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    844,476.88 : 1,266,798.30 = 245,443 : x
  2. Step 2: Convert to fraction form
    844,476.88/1,266,798.30 = 245,443/x
  3. Step 3: Cross multiply
    844,476.88x = 1,266,798.30 × 245,443
  4. Step 4: Simplify right side
    844,476.88x = 310,926,775,146.90
  5. Step 5: Solve for x
    x = 310,926,775,146.90/844,476.88
  6. Step 6: Final answer
    x = 368,188.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.