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Finding the Fourth Proportional to 344,998.28, 476,103 and 192,038.15

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Solution

The fourth proportional to 344,998.28, 476,103 and 192,038.15 is: 265,015.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,998.28 : 476,103 = 192,038.15 : x
  2. Step 2: Convert to fraction form
    344,998.28/476,103 = 192,038.15/x
  3. Step 3: Cross multiply
    344,998.28x = 476,103 × 192,038.15
  4. Step 4: Simplify right side
    344,998.28x = 91,429,939,329.45
  5. Step 5: Solve for x
    x = 91,429,939,329.45/344,998.28
  6. Step 6: Final answer
    x = 265,015.64

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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.