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Finding the Fourth Proportional to 455,420.70, 682,037.55 and 244,593.90

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Solution

The fourth proportional to 455,420.70, 682,037.55 and 244,593.90 is: 366,303.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,420.70 : 682,037.55 = 244,593.90 : x
  2. Step 2: Convert to fraction form
    455,420.70/682,037.55 = 244,593.90/x
  3. Step 3: Cross multiply
    455,420.70x = 682,037.55 × 244,593.90
  4. Step 4: Simplify right side
    455,420.70x = 166,822,224,300.95
  5. Step 5: Solve for x
    x = 166,822,224,300.95/455,420.70
  6. Step 6: Final answer
    x = 366,303.56

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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.