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Finding the Fourth Proportional to 456,983.72, 685,593.84 and 267,604.10

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Solution

The fourth proportional to 456,983.72, 685,593.84 and 267,604.10 is: 401,475.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,983.72 : 685,593.84 = 267,604.10 : x
  2. Step 2: Convert to fraction form
    456,983.72/685,593.84 = 267,604.10/x
  3. Step 3: Cross multiply
    456,983.72x = 685,593.84 × 267,604.10
  4. Step 4: Simplify right side
    456,983.72x = 183,467,722,518.74
  5. Step 5: Solve for x
    x = 183,467,722,518.74/456,983.72
  6. Step 6: Final answer
    x = 401,475.40

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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.