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Finding the Fourth Proportional to 383,359.01, 529,039.01 and 211,283.11

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Solution

The fourth proportional to 383,359.01, 529,039.01 and 211,283.11 is: 291,572.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,359.01 : 529,039.01 = 211,283.11 : x
  2. Step 2: Convert to fraction form
    383,359.01/529,039.01 = 211,283.11/x
  3. Step 3: Cross multiply
    383,359.01x = 529,039.01 × 211,283.11
  4. Step 4: Simplify right side
    383,359.01x = 111,777,007,344.12
  5. Step 5: Solve for x
    x = 111,777,007,344.12/383,359.01
  6. Step 6: Final answer
    x = 291,572.66

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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.