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Finding the Fourth Proportional to 455,156.48, 682,822.80 and 174,651.92

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Solution

The fourth proportional to 455,156.48, 682,822.80 and 174,651.92 is: 262,011.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,156.48 : 682,822.80 = 174,651.92 : x
  2. Step 2: Convert to fraction form
    455,156.48/682,822.80 = 174,651.92/x
  3. Step 3: Cross multiply
    455,156.48x = 682,822.80 × 174,651.92
  4. Step 4: Simplify right side
    455,156.48x = 119,256,313,039.78
  5. Step 5: Solve for x
    x = 119,256,313,039.78/455,156.48
  6. Step 6: Final answer
    x = 262,011.68

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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.