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Finding the Fourth Proportional to 496,628.10, 744,942.15 and 197,180.10

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Solution

The fourth proportional to 496,628.10, 744,942.15 and 197,180.10 is: 295,770.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,628.10 : 744,942.15 = 197,180.10 : x
  2. Step 2: Convert to fraction form
    496,628.10/744,942.15 = 197,180.10/x
  3. Step 3: Cross multiply
    496,628.10x = 744,942.15 × 197,180.10
  4. Step 4: Simplify right side
    496,628.10x = 146,887,767,631.22
  5. Step 5: Solve for x
    x = 146,887,767,631.22/496,628.10
  6. Step 6: Final answer
    x = 295,770.15

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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.