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Finding the Fourth Proportional to 500,674.37, 751,003.34 and 121,598.21

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Solution

The fourth proportional to 500,674.37, 751,003.34 and 121,598.21 is: 182,395.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,674.37 : 751,003.34 = 121,598.21 : x
  2. Step 2: Convert to fraction form
    500,674.37/751,003.34 = 121,598.21/x
  3. Step 3: Cross multiply
    500,674.37x = 751,003.34 × 121,598.21
  4. Step 4: Simplify right side
    500,674.37x = 91,320,663,117.54
  5. Step 5: Solve for x
    x = 91,320,663,117.54/500,674.37
  6. Step 6: Final answer
    x = 182,395.32

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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.