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Finding the Fourth Proportional to 352,969.53, 487,101.70 and 191,824.57

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Solution

The fourth proportional to 352,969.53, 487,101.70 and 191,824.57 is: 264,719.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,969.53 : 487,101.70 = 191,824.57 : x
  2. Step 2: Convert to fraction form
    352,969.53/487,101.70 = 191,824.57/x
  3. Step 3: Cross multiply
    352,969.53x = 487,101.70 × 191,824.57
  4. Step 4: Simplify right side
    352,969.53x = 93,438,074,997.43
  5. Step 5: Solve for x
    x = 93,438,074,997.43/352,969.53
  6. Step 6: Final answer
    x = 264,719.95

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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.