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Finding the Fourth Proportional to 351,484.79, 485,049.27 and 190,340.01

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Solution

The fourth proportional to 351,484.79, 485,049.27 and 190,340.01 is: 262,669.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,484.79 : 485,049.27 = 190,340.01 : x
  2. Step 2: Convert to fraction form
    351,484.79/485,049.27 = 190,340.01/x
  3. Step 3: Cross multiply
    351,484.79x = 485,049.27 × 190,340.01
  4. Step 4: Simplify right side
    351,484.79x = 92,324,281,950.59
  5. Step 5: Solve for x
    x = 92,324,281,950.59/351,484.79
  6. Step 6: Final answer
    x = 262,669.36

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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.