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Finding the Fourth Proportional to 304,761.64, 455,289.17 and 197,269.96

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Solution

The fourth proportional to 304,761.64, 455,289.17 and 197,269.96 is: 294,705.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,761.64 : 455,289.17 = 197,269.96 : x
  2. Step 2: Convert to fraction form
    304,761.64/455,289.17 = 197,269.96/x
  3. Step 3: Cross multiply
    304,761.64x = 455,289.17 × 197,269.96
  4. Step 4: Simplify right side
    304,761.64x = 89,814,876,354.33
  5. Step 5: Solve for x
    x = 89,814,876,354.33/304,761.64
  6. Step 6: Final answer
    x = 294,705.32

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.