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Finding the Fourth Proportional to 496,864.64, 744,810.96 and 197,245.64

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Solution

The fourth proportional to 496,864.64, 744,810.96 and 197,245.64 is: 295,675.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,864.64 : 744,810.96 = 197,245.64 : x
  2. Step 2: Convert to fraction form
    496,864.64/744,810.96 = 197,245.64/x
  3. Step 3: Cross multiply
    496,864.64x = 744,810.96 × 197,245.64
  4. Step 4: Simplify right side
    496,864.64x = 146,910,714,484.21
  5. Step 5: Solve for x
    x = 146,910,714,484.21/496,864.64
  6. Step 6: Final answer
    x = 295,675.53

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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.