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Finding the Fourth Proportional to 322,078.68, 485,046.99 and 293,348.52

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Solution

The fourth proportional to 322,078.68, 485,046.99 and 293,348.52 is: 441,779.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,078.68 : 485,046.99 = 293,348.52 : x
  2. Step 2: Convert to fraction form
    322,078.68/485,046.99 = 293,348.52/x
  3. Step 3: Cross multiply
    322,078.68x = 485,046.99 × 293,348.52
  4. Step 4: Simplify right side
    322,078.68x = 142,287,816,646.96
  5. Step 5: Solve for x
    x = 142,287,816,646.96/322,078.68
  6. Step 6: Final answer
    x = 441,779.68

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.