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Finding the Fourth Proportional to 200,488.67, 300,788.74 and 162,955.80

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Solution

The fourth proportional to 200,488.67, 300,788.74 and 162,955.80 is: 244,479.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,488.67 : 300,788.74 = 162,955.80 : x
  2. Step 2: Convert to fraction form
    200,488.67/300,788.74 = 162,955.80/x
  3. Step 3: Cross multiply
    200,488.67x = 300,788.74 × 162,955.80
  4. Step 4: Simplify right side
    200,488.67x = 49,015,269,961.39
  5. Step 5: Solve for x
    x = 49,015,269,961.39/200,488.67
  6. Step 6: Final answer
    x = 244,479.00

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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.