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Finding the Fourth Proportional to 797.18, 1,195.74 and 522.46

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Solution

The fourth proportional to 797.18, 1,195.74 and 522.46 is: 783.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    797.18 : 1,195.74 = 522.46 : x
  2. Step 2: Convert to fraction form
    797.18/1,195.74 = 522.46/x
  3. Step 3: Cross multiply
    797.18x = 1,195.74 × 522.46
  4. Step 4: Simplify right side
    797.18x = 624,726.32
  5. Step 5: Solve for x
    x = 624,726.32/797.18
  6. Step 6: Final answer
    x = 783.67

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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.