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Finding the Fourth Proportional to 561,819.77, 844,556.58 and 450,715.48

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Solution

The fourth proportional to 561,819.77, 844,556.58 and 450,715.48 is: 677,538.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,819.77 : 844,556.58 = 450,715.48 : x
  2. Step 2: Convert to fraction form
    561,819.77/844,556.58 = 450,715.48/x
  3. Step 3: Cross multiply
    561,819.77x = 844,556.58 × 450,715.48
  4. Step 4: Simplify right side
    561,819.77x = 380,654,724,341.86
  5. Step 5: Solve for x
    x = 380,654,724,341.86/561,819.77
  6. Step 6: Final answer
    x = 677,538.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.