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Finding the Fourth Proportional to 449,315.28, 673,971.66 and 183,013.20

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Solution

The fourth proportional to 449,315.28, 673,971.66 and 183,013.20 is: 274,519.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,315.28 : 673,971.66 = 183,013.20 : x
  2. Step 2: Convert to fraction form
    449,315.28/673,971.66 = 183,013.20/x
  3. Step 3: Cross multiply
    449,315.28x = 673,971.66 × 183,013.20
  4. Step 4: Simplify right side
    449,315.28x = 123,345,710,205.91
  5. Step 5: Solve for x
    x = 123,345,710,205.91/449,315.28
  6. Step 6: Final answer
    x = 274,519.29

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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.