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Finding the Fourth Proportional to 329,243.62, 493,861.83 and 79,925.62

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Solution

The fourth proportional to 329,243.62, 493,861.83 and 79,925.62 is: 119,887.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,243.62 : 493,861.83 = 79,925.62 : x
  2. Step 2: Convert to fraction form
    329,243.62/493,861.83 = 79,925.62/x
  3. Step 3: Cross multiply
    329,243.62x = 493,861.83 × 79,925.62
  4. Step 4: Simplify right side
    329,243.62x = 39,472,212,957.08
  5. Step 5: Solve for x
    x = 39,472,212,957.08/329,243.62
  6. Step 6: Final answer
    x = 119,887.56

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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.