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Finding the Fourth Proportional to 803,317.84, 1,204,980.90 and 270,843.49

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Solution

The fourth proportional to 803,317.84, 1,204,980.90 and 270,843.49 is: 406,266.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,317.84 : 1,204,980.90 = 270,843.49 : x
  2. Step 2: Convert to fraction form
    803,317.84/1,204,980.90 = 270,843.49/x
  3. Step 3: Cross multiply
    803,317.84x = 1,204,980.90 × 270,843.49
  4. Step 4: Simplify right side
    803,317.84x = 326,361,232,339.34
  5. Step 5: Solve for x
    x = 326,361,232,339.34/803,317.84
  6. Step 6: Final answer
    x = 406,266.63

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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.