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Finding the Fourth Proportional to 347,292.56, 520,956.31 and 110,653.69

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Solution

The fourth proportional to 347,292.56, 520,956.31 and 110,653.69 is: 165,986.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,292.56 : 520,956.31 = 110,653.69 : x
  2. Step 2: Convert to fraction form
    347,292.56/520,956.31 = 110,653.69/x
  3. Step 3: Cross multiply
    347,292.56x = 520,956.31 × 110,653.69
  4. Step 4: Simplify right side
    347,292.56x = 57,645,737,477.02
  5. Step 5: Solve for x
    x = 57,645,737,477.02/347,292.56
  6. Step 6: Final answer
    x = 165,986.10

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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.