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Finding the Fourth Proportional to 335,065.72, 462,390.78 and 182,103.88

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Solution

The fourth proportional to 335,065.72, 462,390.78 and 182,103.88 is: 251,303.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,065.72 : 462,390.78 = 182,103.88 : x
  2. Step 2: Convert to fraction form
    335,065.72/462,390.78 = 182,103.88/x
  3. Step 3: Cross multiply
    335,065.72x = 462,390.78 × 182,103.88
  4. Step 4: Simplify right side
    335,065.72x = 84,203,155,114.23
  5. Step 5: Solve for x
    x = 84,203,155,114.23/335,065.72
  6. Step 6: Final answer
    x = 251,303.40

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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.