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Finding the Fourth Proportional to 335,410.12, 503,008.44 and 110,728.72

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Solution

The fourth proportional to 335,410.12, 503,008.44 and 110,728.72 is: 166,057.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,410.12 : 503,008.44 = 110,728.72 : x
  2. Step 2: Convert to fraction form
    335,410.12/503,008.44 = 110,728.72/x
  3. Step 3: Cross multiply
    335,410.12x = 503,008.44 × 110,728.72
  4. Step 4: Simplify right side
    335,410.12x = 55,697,480,710.40
  5. Step 5: Solve for x
    x = 55,697,480,710.40/335,410.12
  6. Step 6: Final answer
    x = 166,057.84

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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.