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Finding the Fourth Proportional to 496,879.70, 744,663.45 and 440,455.10

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Solution

The fourth proportional to 496,879.70, 744,663.45 and 440,455.10 is: 660,101.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,879.70 : 744,663.45 = 440,455.10 : x
  2. Step 2: Convert to fraction form
    496,879.70/744,663.45 = 440,455.10/x
  3. Step 3: Cross multiply
    496,879.70x = 744,663.45 × 440,455.10
  4. Step 4: Simplify right side
    496,879.70x = 327,990,814,336.10
  5. Step 5: Solve for x
    x = 327,990,814,336.10/496,879.70
  6. Step 6: Final answer
    x = 660,101.06

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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.