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Finding the Fourth Proportional to 347,083.44, 520,629.48 and 110,425.20

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Solution

The fourth proportional to 347,083.44, 520,629.48 and 110,425.20 is: 165,639.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,083.44 : 520,629.48 = 110,425.20 : x
  2. Step 2: Convert to fraction form
    347,083.44/520,629.48 = 110,425.20/x
  3. Step 3: Cross multiply
    347,083.44x = 520,629.48 × 110,425.20
  4. Step 4: Simplify right side
    347,083.44x = 57,490,614,454.90
  5. Step 5: Solve for x
    x = 57,490,614,454.90/347,083.44
  6. Step 6: Final answer
    x = 165,639.17

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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.