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Finding the Fourth Proportional to 670,696.44, 925,092.42 and 455,462.88

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Solution

The fourth proportional to 670,696.44, 925,092.42 and 455,462.88 is: 628,220.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,696.44 : 925,092.42 = 455,462.88 : x
  2. Step 2: Convert to fraction form
    670,696.44/925,092.42 = 455,462.88/x
  3. Step 3: Cross multiply
    670,696.44x = 925,092.42 × 455,462.88
  4. Step 4: Simplify right side
    670,696.44x = 421,345,257,879.37
  5. Step 5: Solve for x
    x = 421,345,257,879.37/670,696.44
  6. Step 6: Final answer
    x = 628,220.51

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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.