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Finding the Fourth Proportional to 335,011.95, 462,129.35 and 205,860.69

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Solution

The fourth proportional to 335,011.95, 462,129.35 and 205,860.69 is: 283,972.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,011.95 : 462,129.35 = 205,860.69 : x
  2. Step 2: Convert to fraction form
    335,011.95/462,129.35 = 205,860.69/x
  3. Step 3: Cross multiply
    335,011.95x = 462,129.35 × 205,860.69
  4. Step 4: Simplify right side
    335,011.95x = 95,134,266,860.25
  5. Step 5: Solve for x
    x = 95,134,266,860.25/335,011.95
  6. Step 6: Final answer
    x = 283,972.76

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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.