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Finding the Fourth Proportional to 962,626.08, 1,328,007 and 580,440.54

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Solution

The fourth proportional to 962,626.08, 1,328,007 and 580,440.54 is: 800,756.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    962,626.08 : 1,328,007 = 580,440.54 : x
  2. Step 2: Convert to fraction form
    962,626.08/1,328,007 = 580,440.54/x
  3. Step 3: Cross multiply
    962,626.08x = 1,328,007 × 580,440.54
  4. Step 4: Simplify right side
    962,626.08x = 770,829,100,203.78
  5. Step 5: Solve for x
    x = 770,829,100,203.78/962,626.08
  6. Step 6: Final answer
    x = 800,756.51

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1.5x scale

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.