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Finding the Fourth Proportional to 544,288.64, 816,804.48 and 189,299.12

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Solution

The fourth proportional to 544,288.64, 816,804.48 and 189,299.12 is: 284,077.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,288.64 : 816,804.48 = 189,299.12 : x
  2. Step 2: Convert to fraction form
    544,288.64/816,804.48 = 189,299.12/x
  3. Step 3: Cross multiply
    544,288.64x = 816,804.48 × 189,299.12
  4. Step 4: Simplify right side
    544,288.64x = 154,620,369,276.06
  5. Step 5: Solve for x
    x = 154,620,369,276.06/544,288.64
  6. Step 6: Final answer
    x = 284,077.89

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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.