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Finding the Fourth Proportional to 335,923.20, 485,222.40 and 335,923.20

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Solution

The fourth proportional to 335,923.20, 485,222.40 and 335,923.20 is: 485,222.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,923.20 : 485,222.40 = 335,923.20 : x
  2. Step 2: Convert to fraction form
    335,923.20/485,222.40 = 335,923.20/x
  3. Step 3: Cross multiply
    335,923.20x = 485,222.40 × 335,923.20
  4. Step 4: Simplify right side
    335,923.20x = 162,997,461,319.68
  5. Step 5: Solve for x
    x = 162,997,461,319.68/335,923.20
  6. Step 6: Final answer
    x = 485,222.40

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These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.