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Finding the Fourth Proportional to 670,940.97, 925,900.74 and 365,017.28

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Solution

The fourth proportional to 670,940.97, 925,900.74 and 365,017.28 is: 503,725.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,940.97 : 925,900.74 = 365,017.28 : x
  2. Step 2: Convert to fraction form
    670,940.97/925,900.74 = 365,017.28/x
  3. Step 3: Cross multiply
    670,940.97x = 925,900.74 × 365,017.28
  4. Step 4: Simplify right side
    670,940.97x = 337,969,770,243.48
  5. Step 5: Solve for x
    x = 337,969,770,243.48/670,940.97
  6. Step 6: Final answer
    x = 503,725.05

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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.