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Finding the Fourth Proportional to 250,805.40, 376,193.79 and 183,406.38

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Solution

The fourth proportional to 250,805.40, 376,193.79 and 183,406.38 is: 275,099.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,805.40 : 376,193.79 = 183,406.38 : x
  2. Step 2: Convert to fraction form
    250,805.40/376,193.79 = 183,406.38/x
  3. Step 3: Cross multiply
    250,805.40x = 376,193.79 × 183,406.38
  4. Step 4: Simplify right side
    250,805.40x = 68,996,341,202.38
  5. Step 5: Solve for x
    x = 68,996,341,202.38/250,805.40
  6. Step 6: Final answer
    x = 275,099.11

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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.