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Finding the Fourth Proportional to 351,216.53, 484,679.41 and 190,071.71

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Solution

The fourth proportional to 351,216.53, 484,679.41 and 190,071.71 is: 262,299.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,216.53 : 484,679.41 = 190,071.71 : x
  2. Step 2: Convert to fraction form
    351,216.53/484,679.41 = 190,071.71/x
  3. Step 3: Cross multiply
    351,216.53x = 484,679.41 × 190,071.71
  4. Step 4: Simplify right side
    351,216.53x = 92,123,842,885.46
  5. Step 5: Solve for x
    x = 92,123,842,885.46/351,216.53
  6. Step 6: Final answer
    x = 262,299.28

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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.