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Finding the Fourth Proportional to 702,626.04, 969,623.12 and 380,336.04

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Solution

The fourth proportional to 702,626.04, 969,623.12 and 380,336.04 is: 524,863.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,626.04 : 969,623.12 = 380,336.04 : x
  2. Step 2: Convert to fraction form
    702,626.04/969,623.12 = 380,336.04/x
  3. Step 3: Cross multiply
    702,626.04x = 969,623.12 × 380,336.04
  4. Step 4: Simplify right side
    702,626.04x = 368,782,615,851.57
  5. Step 5: Solve for x
    x = 368,782,615,851.57/702,626.04
  6. Step 6: Final answer
    x = 524,863.29

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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.