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Finding the Fourth Proportional to 304,760.64, 455,287.68 and 197,268.96

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Solution

The fourth proportional to 304,760.64, 455,287.68 and 197,268.96 is: 294,703.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,760.64 : 455,287.68 = 197,268.96 : x
  2. Step 2: Convert to fraction form
    304,760.64/455,287.68 = 197,268.96/x
  3. Step 3: Cross multiply
    304,760.64x = 455,287.68 × 197,268.96
  4. Step 4: Simplify right side
    304,760.64x = 89,814,127,134.41
  5. Step 5: Solve for x
    x = 89,814,127,134.41/304,760.64
  6. Step 6: Final answer
    x = 294,703.83

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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.