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Finding the Fourth Proportional to 522,637.60, 783,960.72 and 167,654.56

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Solution

The fourth proportional to 522,637.60, 783,960.72 and 167,654.56 is: 251,483.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,637.60 : 783,960.72 = 167,654.56 : x
  2. Step 2: Convert to fraction form
    522,637.60/783,960.72 = 167,654.56/x
  3. Step 3: Cross multiply
    522,637.60x = 783,960.72 × 167,654.56
  4. Step 4: Simplify right side
    522,637.60x = 131,434,589,568.88
  5. Step 5: Solve for x
    x = 131,434,589,568.88/522,637.60
  6. Step 6: Final answer
    x = 251,483.23

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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.