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Finding the Fourth Proportional to 499,010.70, 748,625.40 and 246,412.20

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Solution

The fourth proportional to 499,010.70, 748,625.40 and 246,412.20 is: 369,672.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,010.70 : 748,625.40 = 246,412.20 : x
  2. Step 2: Convert to fraction form
    499,010.70/748,625.40 = 246,412.20/x
  3. Step 3: Cross multiply
    499,010.70x = 748,625.40 × 246,412.20
  4. Step 4: Simplify right side
    499,010.70x = 184,470,431,789.88
  5. Step 5: Solve for x
    x = 184,470,431,789.88/499,010.70
  6. Step 6: Final answer
    x = 369,672.30

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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.