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Finding the Fourth Proportional to 702,626.06, 969,623.16 and 380,336.07

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Solution

The fourth proportional to 702,626.06, 969,623.16 and 380,336.07 is: 524,863.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,626.06 : 969,623.16 = 380,336.07 : x
  2. Step 2: Convert to fraction form
    702,626.06/969,623.16 = 380,336.07/x
  3. Step 3: Cross multiply
    702,626.06x = 969,623.16 × 380,336.07
  4. Step 4: Simplify right side
    702,626.06x = 368,782,660,153.70
  5. Step 5: Solve for x
    x = 368,782,660,153.70/702,626.06
  6. Step 6: Final answer
    x = 524,863.34

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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.