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Finding the Fourth Proportional to 329,242.37, 493,859.96 and 79,924.37

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Solution

The fourth proportional to 329,242.37, 493,859.96 and 79,924.37 is: 119,885.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,242.37 : 493,859.96 = 79,924.37 : x
  2. Step 2: Convert to fraction form
    329,242.37/493,859.96 = 79,924.37/x
  3. Step 3: Cross multiply
    329,242.37x = 493,859.96 × 79,924.37
  4. Step 4: Simplify right side
    329,242.37x = 39,471,445,771.60
  5. Step 5: Solve for x
    x = 39,471,445,771.60/329,242.37
  6. Step 6: Final answer
    x = 119,885.68

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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.