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Finding the Fourth Proportional to 333,634.60, 500,455.14 and 266,908.96

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Solution

The fourth proportional to 333,634.60, 500,455.14 and 266,908.96 is: 400,366.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,634.60 : 500,455.14 = 266,908.96 : x
  2. Step 2: Convert to fraction form
    333,634.60/500,455.14 = 266,908.96/x
  3. Step 3: Cross multiply
    333,634.60x = 500,455.14 × 266,908.96
  4. Step 4: Simplify right side
    333,634.60x = 133,575,960,944.05
  5. Step 5: Solve for x
    x = 133,575,960,944.05/333,634.60
  6. Step 6: Final answer
    x = 400,366.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.