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Finding the Fourth Proportional to 360,788.48, 497,940.67 and 207,796.89

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Solution

The fourth proportional to 360,788.48, 497,940.67 and 207,796.89 is: 286,789.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,788.48 : 497,940.67 = 207,796.89 : x
  2. Step 2: Convert to fraction form
    360,788.48/497,940.67 = 207,796.89/x
  3. Step 3: Cross multiply
    360,788.48x = 497,940.67 × 207,796.89
  4. Step 4: Simplify right side
    360,788.48x = 103,470,522,630.52
  5. Step 5: Solve for x
    x = 103,470,522,630.52/360,788.48
  6. Step 6: Final answer
    x = 286,789.98

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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.