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Finding the Fourth Proportional to 422,653.58, 632,928.73 and 295,699.45

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Solution

The fourth proportional to 422,653.58, 632,928.73 and 295,699.45 is: 442,813.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,653.58 : 632,928.73 = 295,699.45 : x
  2. Step 2: Convert to fraction form
    422,653.58/632,928.73 = 295,699.45/x
  3. Step 3: Cross multiply
    422,653.58x = 632,928.73 × 295,699.45
  4. Step 4: Simplify right side
    422,653.58x = 187,156,674,396.32
  5. Step 5: Solve for x
    x = 187,156,674,396.32/422,653.58
  6. Step 6: Final answer
    x = 442,813.41

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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.