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Finding the Fourth Proportional to 348,452.65, 480,806.36 and 205,241.20

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Solution

The fourth proportional to 348,452.65, 480,806.36 and 205,241.20 is: 283,198.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,452.65 : 480,806.36 = 205,241.20 : x
  2. Step 2: Convert to fraction form
    348,452.65/480,806.36 = 205,241.20/x
  3. Step 3: Cross multiply
    348,452.65x = 480,806.36 × 205,241.20
  4. Step 4: Simplify right side
    348,452.65x = 98,681,274,294.03
  5. Step 5: Solve for x
    x = 98,681,274,294.03/348,452.65
  6. Step 6: Final answer
    x = 283,198.52

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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.