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Finding the Fourth Proportional to 376,175.52, 519,122.18 and 215,034.04

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Solution

The fourth proportional to 376,175.52, 519,122.18 and 215,034.04 is: 296,746.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,175.52 : 519,122.18 = 215,034.04 : x
  2. Step 2: Convert to fraction form
    376,175.52/519,122.18 = 215,034.04/x
  3. Step 3: Cross multiply
    376,175.52x = 519,122.18 × 215,034.04
  4. Step 4: Simplify right side
    376,175.52x = 111,628,939,619.01
  5. Step 5: Solve for x
    x = 111,628,939,619.01/376,175.52
  6. Step 6: Final answer
    x = 296,746.95

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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.