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Finding the Fourth Proportional to 329,583.60, 494,373.94 and 140,014.88

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Solution

The fourth proportional to 329,583.60, 494,373.94 and 140,014.88 is: 210,021.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,583.60 : 494,373.94 = 140,014.88 : x
  2. Step 2: Convert to fraction form
    329,583.60/494,373.94 = 140,014.88/x
  3. Step 3: Cross multiply
    329,583.60x = 494,373.94 × 140,014.88
  4. Step 4: Simplify right side
    329,583.60x = 69,219,707,884.23
  5. Step 5: Solve for x
    x = 69,219,707,884.23/329,583.60
  6. Step 6: Final answer
    x = 210,021.70

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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.