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Finding the Fourth Proportional to 629,208.28, 942,879.12 and 462,179.80

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Solution

The fourth proportional to 629,208.28, 942,879.12 and 462,179.80 is: 692,584.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,208.28 : 942,879.12 = 462,179.80 : x
  2. Step 2: Convert to fraction form
    629,208.28/942,879.12 = 462,179.80/x
  3. Step 3: Cross multiply
    629,208.28x = 942,879.12 × 462,179.80
  4. Step 4: Simplify right side
    629,208.28x = 435,779,683,105.78
  5. Step 5: Solve for x
    x = 435,779,683,105.78/629,208.28
  6. Step 6: Final answer
    x = 692,584.15

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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.