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Finding the Fourth Proportional to 670,549.20, 925,352.83 and 364,625.76

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Solution

The fourth proportional to 670,549.20, 925,352.83 and 364,625.76 is: 503,180.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,549.20 : 925,352.83 = 364,625.76 : x
  2. Step 2: Convert to fraction form
    670,549.20/925,352.83 = 364,625.76/x
  3. Step 3: Cross multiply
    670,549.20x = 925,352.83 × 364,625.76
  4. Step 4: Simplify right side
    670,549.20x = 337,407,478,906.90
  5. Step 5: Solve for x
    x = 337,407,478,906.90/670,549.20
  6. Step 6: Final answer
    x = 503,180.79

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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.