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Finding the Fourth Proportional to 329,529.60, 494,265.60 and 107,913.60

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Solution

The fourth proportional to 329,529.60, 494,265.60 and 107,913.60 is: 161,860.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,529.60 : 494,265.60 = 107,913.60 : x
  2. Step 2: Convert to fraction form
    329,529.60/494,265.60 = 107,913.60/x
  3. Step 3: Cross multiply
    329,529.60x = 494,265.60 × 107,913.60
  4. Step 4: Simplify right side
    329,529.60x = 53,337,980,252.16
  5. Step 5: Solve for x
    x = 53,337,980,252.16/329,529.60
  6. Step 6: Final answer
    x = 161,860.97

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1.5x scale

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.