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Finding the Fourth Proportional to 297,441.09, 446,167.40 and 72,803.49

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Solution

The fourth proportional to 297,441.09, 446,167.40 and 72,803.49 is: 109,206.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,441.09 : 446,167.40 = 72,803.49 : x
  2. Step 2: Convert to fraction form
    297,441.09/446,167.40 = 72,803.49/x
  3. Step 3: Cross multiply
    297,441.09x = 446,167.40 × 72,803.49
  4. Step 4: Simplify right side
    297,441.09x = 32,482,543,480.21
  5. Step 5: Solve for x
    x = 32,482,543,480.21/297,441.09
  6. Step 6: Final answer
    x = 109,206.64

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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.