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Finding the Fourth Proportional to 629,208.78, 942,879.87 and 462,180.30

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Solution

The fourth proportional to 629,208.78, 942,879.87 and 462,180.30 is: 692,584.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,208.78 : 942,879.87 = 462,180.30 : x
  2. Step 2: Convert to fraction form
    629,208.78/942,879.87 = 462,180.30/x
  3. Step 3: Cross multiply
    629,208.78x = 942,879.87 × 462,180.30
  4. Step 4: Simplify right side
    629,208.78x = 435,780,501,180.56
  5. Step 5: Solve for x
    x = 435,780,501,180.56/629,208.78
  6. Step 6: Final answer
    x = 692,584.90

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1.5x scale

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.