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Finding the Fourth Proportional to 335,405.40, 462,834.18 and 184,512.12

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Solution

The fourth proportional to 335,405.40, 462,834.18 and 184,512.12 is: 254,612.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,405.40 : 462,834.18 = 184,512.12 : x
  2. Step 2: Convert to fraction form
    335,405.40/462,834.18 = 184,512.12/x
  3. Step 3: Cross multiply
    335,405.40x = 462,834.18 × 184,512.12
  4. Step 4: Simplify right side
    335,405.40x = 85,398,515,760.26
  5. Step 5: Solve for x
    x = 85,398,515,760.26/335,405.40
  6. Step 6: Final answer
    x = 254,612.82

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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.