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Finding the Fourth Proportional to 544,298.64, 816,819.48 and 189,309.12

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Solution

The fourth proportional to 544,298.64, 816,819.48 and 189,309.12 is: 284,092.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,298.64 : 816,819.48 = 189,309.12 : x
  2. Step 2: Convert to fraction form
    544,298.64/816,819.48 = 189,309.12/x
  3. Step 3: Cross multiply
    544,298.64x = 816,819.48 × 189,309.12
  4. Step 4: Simplify right side
    544,298.64x = 154,631,376,957.66
  5. Step 5: Solve for x
    x = 154,631,376,957.66/544,298.64
  6. Step 6: Final answer
    x = 284,092.90

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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.