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Finding the Fourth Proportional to 854,612.64, 1,179,317.48 and 467,351.03

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Solution

The fourth proportional to 854,612.64, 1,179,317.48 and 467,351.03 is: 644,918.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,612.64 : 1,179,317.48 = 467,351.03 : x
  2. Step 2: Convert to fraction form
    854,612.64/1,179,317.48 = 467,351.03/x
  3. Step 3: Cross multiply
    854,612.64x = 1,179,317.48 × 467,351.03
  4. Step 4: Simplify right side
    854,612.64x = 551,155,239,586.54
  5. Step 5: Solve for x
    x = 551,155,239,586.54/854,612.64
  6. Step 6: Final answer
    x = 644,918.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.