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Finding the Fourth Proportional to 333,855.95, 500,783.93 and 200,667.65

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Solution

The fourth proportional to 333,855.95, 500,783.93 and 200,667.65 is: 301,001.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,855.95 : 500,783.93 = 200,667.65 : x
  2. Step 2: Convert to fraction form
    333,855.95/500,783.93 = 200,667.65/x
  3. Step 3: Cross multiply
    333,855.95x = 500,783.93 × 200,667.65
  4. Step 4: Simplify right side
    333,855.95x = 100,491,133,387.53
  5. Step 5: Solve for x
    x = 100,491,133,387.53/333,855.95
  6. Step 6: Final answer
    x = 301,001.48

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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.