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Finding the Fourth Proportional to 433,879.36, 650,752.16 and 118,361.92

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Solution

The fourth proportional to 433,879.36, 650,752.16 and 118,361.92 is: 177,524.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,879.36 : 650,752.16 = 118,361.92 : x
  2. Step 2: Convert to fraction form
    433,879.36/650,752.16 = 118,361.92/x
  3. Step 3: Cross multiply
    433,879.36x = 650,752.16 × 118,361.92
  4. Step 4: Simplify right side
    433,879.36x = 77,024,275,101.75
  5. Step 5: Solve for x
    x = 77,024,275,101.75/433,879.36
  6. Step 6: Final answer
    x = 177,524.64

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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.