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Finding the Fourth Proportional to 507,003.48, 699,617.52 and 303,014.16

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Solution

The fourth proportional to 507,003.48, 699,617.52 and 303,014.16 is: 418,131.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,003.48 : 699,617.52 = 303,014.16 : x
  2. Step 2: Convert to fraction form
    507,003.48/699,617.52 = 303,014.16/x
  3. Step 3: Cross multiply
    507,003.48x = 699,617.52 × 303,014.16
  4. Step 4: Simplify right side
    507,003.48x = 211,994,015,144.08
  5. Step 5: Solve for x
    x = 211,994,015,144.08/507,003.48
  6. Step 6: Final answer
    x = 418,131.28

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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.