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Finding the Fourth Proportional to 670,383.26, 925,147.13 and 364,480.23

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Solution

The fourth proportional to 670,383.26, 925,147.13 and 364,480.23 is: 502,992.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,383.26 : 925,147.13 = 364,480.23 : x
  2. Step 2: Convert to fraction form
    670,383.26/925,147.13 = 364,480.23/x
  3. Step 3: Cross multiply
    670,383.26x = 925,147.13 × 364,480.23
  4. Step 4: Simplify right side
    670,383.26x = 337,197,836,903.84
  5. Step 5: Solve for x
    x = 337,197,836,903.84/670,383.26
  6. Step 6: Final answer
    x = 502,992.63

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Double scale
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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.