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Finding the Fourth Proportional to 499,640.40, 749,460.60 and 350,049.60

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Solution

The fourth proportional to 499,640.40, 749,460.60 and 350,049.60 is: 525,074.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,640.40 : 749,460.60 = 350,049.60 : x
  2. Step 2: Convert to fraction form
    499,640.40/749,460.60 = 350,049.60/x
  3. Step 3: Cross multiply
    499,640.40x = 749,460.60 × 350,049.60
  4. Step 4: Simplify right side
    499,640.40x = 262,348,383,245.76
  5. Step 5: Solve for x
    x = 262,348,383,245.76/499,640.40
  6. Step 6: Final answer
    x = 525,074.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.