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Finding the Fourth Proportional to 368,863.94, 509,267.68 and 301,042.94

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Solution

The fourth proportional to 368,863.94, 509,267.68 and 301,042.94 is: 415,631.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,863.94 : 509,267.68 = 301,042.94 : x
  2. Step 2: Convert to fraction form
    368,863.94/509,267.68 = 301,042.94/x
  3. Step 3: Cross multiply
    368,863.94x = 509,267.68 × 301,042.94
  4. Step 4: Simplify right side
    368,863.94x = 153,311,439,634.18
  5. Step 5: Solve for x
    x = 153,311,439,634.18/368,863.94
  6. Step 6: Final answer
    x = 415,631.41

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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.