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Finding the Fourth Proportional to 738,867, 1,019,626.92 and 416,680.92

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Solution

The fourth proportional to 738,867, 1,019,626.92 and 416,680.92 is: 575,014.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,867 : 1,019,626.92 = 416,680.92 : x
  2. Step 2: Convert to fraction form
    738,867/1,019,626.92 = 416,680.92/x
  3. Step 3: Cross multiply
    738,867x = 1,019,626.92 × 416,680.92
  4. Step 4: Simplify right side
    738,867x = 424,859,083,082.37
  5. Step 5: Solve for x
    x = 424,859,083,082.37/738,867
  6. Step 6: Final answer
    x = 575,014.29

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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.