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Finding the Fourth Proportional to 544,287.84, 816,429.76 and 144,928.64

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Solution

The fourth proportional to 544,287.84, 816,429.76 and 144,928.64 is: 217,392.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,287.84 : 816,429.76 = 144,928.64 : x
  2. Step 2: Convert to fraction form
    544,287.84/816,429.76 = 144,928.64/x
  3. Step 3: Cross multiply
    544,287.84x = 816,429.76 × 144,928.64
  4. Step 4: Simplify right side
    544,287.84x = 118,324,054,772.33
  5. Step 5: Solve for x
    x = 118,324,054,772.33/544,287.84
  6. Step 6: Final answer
    x = 217,392.43

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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.