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Finding the Fourth Proportional to 360,789.48, 497,942.05 and 207,797.89

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Solution

The fourth proportional to 360,789.48, 497,942.05 and 207,797.89 is: 286,791.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,789.48 : 497,942.05 = 207,797.89 : x
  2. Step 2: Convert to fraction form
    360,789.48/497,942.05 = 207,797.89/x
  3. Step 3: Cross multiply
    360,789.48x = 497,942.05 × 207,797.89
  4. Step 4: Simplify right side
    360,789.48x = 103,471,307,332.28
  5. Step 5: Solve for x
    x = 103,471,307,332.28/360,789.48
  6. Step 6: Final answer
    x = 286,791.36

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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.