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Finding the Fourth Proportional to 335,405.68, 462,870.18 and 182,455

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Solution

The fourth proportional to 335,405.68, 462,870.18 and 182,455 is: 251,793.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,405.68 : 462,870.18 = 182,455 : x
  2. Step 2: Convert to fraction form
    335,405.68/462,870.18 = 182,455/x
  3. Step 3: Cross multiply
    335,405.68x = 462,870.18 × 182,455
  4. Step 4: Simplify right side
    335,405.68x = 84,452,978,691.90
  5. Step 5: Solve for x
    x = 84,452,978,691.90/335,405.68
  6. Step 6: Final answer
    x = 251,793.53

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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.