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Finding the Fourth Proportional to 734,600.40, 1,101,900.60 and 496,654.80

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Solution

The fourth proportional to 734,600.40, 1,101,900.60 and 496,654.80 is: 744,982.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,600.40 : 1,101,900.60 = 496,654.80 : x
  2. Step 2: Convert to fraction form
    734,600.40/1,101,900.60 = 496,654.80/x
  3. Step 3: Cross multiply
    734,600.40x = 1,101,900.60 × 496,654.80
  4. Step 4: Simplify right side
    734,600.40x = 547,264,222,112.88
  5. Step 5: Solve for x
    x = 547,264,222,112.88/734,600.40
  6. Step 6: Final answer
    x = 744,982.20

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Similar ratio
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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.