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Finding the Fourth Proportional to 673,307.50, 929,183.79 and 371,520.94

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Solution

The fourth proportional to 673,307.50, 929,183.79 and 371,520.94 is: 512,709.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,307.50 : 929,183.79 = 371,520.94 : x
  2. Step 2: Convert to fraction form
    673,307.50/929,183.79 = 371,520.94/x
  3. Step 3: Cross multiply
    673,307.50x = 929,183.79 × 371,520.94
  4. Step 4: Simplify right side
    673,307.50x = 345,211,235,093.56
  5. Step 5: Solve for x
    x = 345,211,235,093.56/673,307.50
  6. Step 6: Final answer
    x = 512,709.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.