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Finding the Fourth Proportional to 297,578.88, 446,369.04 and 72,940.32

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Solution

The fourth proportional to 297,578.88, 446,369.04 and 72,940.32 is: 109,410.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,578.88 : 446,369.04 = 72,940.32 : x
  2. Step 2: Convert to fraction form
    297,578.88/446,369.04 = 72,940.32/x
  3. Step 3: Cross multiply
    297,578.88x = 446,369.04 × 72,940.32
  4. Step 4: Simplify right side
    297,578.88x = 32,558,300,615.69
  5. Step 5: Solve for x
    x = 32,558,300,615.69/297,578.88
  6. Step 6: Final answer
    x = 109,410.66

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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.