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Finding the Fourth Proportional to 297,578.37, 446,358.29 and 72,939.45

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Solution

The fourth proportional to 297,578.37, 446,358.29 and 72,939.45 is: 109,406.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,578.37 : 446,358.29 = 72,939.45 : x
  2. Step 2: Convert to fraction form
    297,578.37/446,358.29 = 72,939.45/x
  3. Step 3: Cross multiply
    297,578.37x = 446,358.29 × 72,939.45
  4. Step 4: Simplify right side
    297,578.37x = 32,557,127,810.84
  5. Step 5: Solve for x
    x = 32,557,127,810.84/297,578.37
  6. Step 6: Final answer
    x = 109,406.90

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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.