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Finding the Fourth Proportional to 984,965.72, 1,477,711.74 and 353,885

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Solution

The fourth proportional to 984,965.72, 1,477,711.74 and 353,885 is: 530,922.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,965.72 : 1,477,711.74 = 353,885 : x
  2. Step 2: Convert to fraction form
    984,965.72/1,477,711.74 = 353,885/x
  3. Step 3: Cross multiply
    984,965.72x = 1,477,711.74 × 353,885
  4. Step 4: Simplify right side
    984,965.72x = 522,940,019,109.90
  5. Step 5: Solve for x
    x = 522,940,019,109.90/984,965.72
  6. Step 6: Final answer
    x = 530,922.05

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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.