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Finding the Fourth Proportional to 620,866.83, 930,797.96 and 194,183.13

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Solution

The fourth proportional to 620,866.83, 930,797.96 and 194,183.13 is: 291,117.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,866.83 : 930,797.96 = 194,183.13 : x
  2. Step 2: Convert to fraction form
    620,866.83/930,797.96 = 194,183.13/x
  3. Step 3: Cross multiply
    620,866.83x = 930,797.96 × 194,183.13
  4. Step 4: Simplify right side
    620,866.83x = 180,745,260,299.50
  5. Step 5: Solve for x
    x = 180,745,260,299.50/620,866.83
  6. Step 6: Final answer
    x = 291,117.60

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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.