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Finding the Fourth Proportional to 3,711,586, 5,567,379 and 909,922

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Solution

The fourth proportional to 3,711,586, 5,567,379 and 909,922 is: 1,364,883

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,711,586 : 5,567,379 = 909,922 : x
  2. Step 2: Convert to fraction form
    3,711,586/5,567,379 = 909,922/x
  3. Step 3: Cross multiply
    3,711,586x = 5,567,379 × 909,922
  4. Step 4: Simplify right side
    3,711,586x = 5,065,880,634,438
  5. Step 5: Solve for x
    x = 5,065,880,634,438/3,711,586
  6. Step 6: Final answer
    x = 1,364,883

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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.