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Finding the Fourth Proportional to 624,529.26, 861,846.95 and 352,594.64

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Solution

The fourth proportional to 624,529.26, 861,846.95 and 352,594.64 is: 486,578.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,529.26 : 861,846.95 = 352,594.64 : x
  2. Step 2: Convert to fraction form
    624,529.26/861,846.95 = 352,594.64/x
  3. Step 3: Cross multiply
    624,529.26x = 861,846.95 × 352,594.64
  4. Step 4: Simplify right side
    624,529.26x = 303,882,618,106.45
  5. Step 5: Solve for x
    x = 303,882,618,106.45/624,529.26
  6. Step 6: Final answer
    x = 486,578.67

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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.