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Finding the Fourth Proportional to 670,936.20, 925,899.30 and 365,014.32

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Solution

The fourth proportional to 670,936.20, 925,899.30 and 365,014.32 is: 503,723.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,936.20 : 925,899.30 = 365,014.32 : x
  2. Step 2: Convert to fraction form
    670,936.20/925,899.30 = 365,014.32/x
  3. Step 3: Cross multiply
    670,936.20x = 925,899.30 × 365,014.32
  4. Step 4: Simplify right side
    670,936.20x = 337,966,503,377.98
  5. Step 5: Solve for x
    x = 337,966,503,377.98/670,936.20
  6. Step 6: Final answer
    x = 503,723.76

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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.