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Finding the Fourth Proportional to 382,379.16, 527,683.54 and 210,299.84

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Solution

The fourth proportional to 382,379.16, 527,683.54 and 210,299.84 is: 290,213.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,379.16 : 527,683.54 = 210,299.84 : x
  2. Step 2: Convert to fraction form
    382,379.16/527,683.54 = 210,299.84/x
  3. Step 3: Cross multiply
    382,379.16x = 527,683.54 × 210,299.84
  4. Step 4: Simplify right side
    382,379.16x = 110,971,764,032.63
  5. Step 5: Solve for x
    x = 110,971,764,032.63/382,379.16
  6. Step 6: Final answer
    x = 290,213.94

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.