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Finding the Fourth Proportional to 653,556.73, 901,992.86 and 367,076.80

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Solution

The fourth proportional to 653,556.73, 901,992.86 and 367,076.80 is: 506,613.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,556.73 : 901,992.86 = 367,076.80 : x
  2. Step 2: Convert to fraction form
    653,556.73/901,992.86 = 367,076.80/x
  3. Step 3: Cross multiply
    653,556.73x = 901,992.86 × 367,076.80
  4. Step 4: Simplify right side
    653,556.73x = 331,100,652,671.65
  5. Step 5: Solve for x
    x = 331,100,652,671.65/653,556.73
  6. Step 6: Final answer
    x = 506,613.49

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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.