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Finding the Fourth Proportional to 352,282.95, 528,519.77 and 251,208.71

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Solution

The fourth proportional to 352,282.95, 528,519.77 and 251,208.71 is: 376,881.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,282.95 : 528,519.77 = 251,208.71 : x
  2. Step 2: Convert to fraction form
    352,282.95/528,519.77 = 251,208.71/x
  3. Step 3: Cross multiply
    352,282.95x = 528,519.77 × 251,208.71
  4. Step 4: Simplify right side
    352,282.95x = 132,768,765,732.55
  5. Step 5: Solve for x
    x = 132,768,765,732.55/352,282.95
  6. Step 6: Final answer
    x = 376,881.04

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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.