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Finding the Fourth Proportional to 349,387.36, 482,152.14 and 198,484.36

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Solution

The fourth proportional to 349,387.36, 482,152.14 and 198,484.36 is: 273,907.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,387.36 : 482,152.14 = 198,484.36 : x
  2. Step 2: Convert to fraction form
    349,387.36/482,152.14 = 198,484.36/x
  3. Step 3: Cross multiply
    349,387.36x = 482,152.14 × 198,484.36
  4. Step 4: Simplify right side
    349,387.36x = 95,699,658,930.53
  5. Step 5: Solve for x
    x = 95,699,658,930.53/349,387.36
  6. Step 6: Final answer
    x = 273,907.04

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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.