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Finding the Fourth Proportional to 544,288.84, 816,431.26 and 144,929.64

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Solution

The fourth proportional to 544,288.84, 816,431.26 and 144,929.64 is: 217,393.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,288.84 : 816,431.26 = 144,929.64 : x
  2. Step 2: Convert to fraction form
    544,288.84/816,431.26 = 144,929.64/x
  3. Step 3: Cross multiply
    544,288.84x = 816,431.26 × 144,929.64
  4. Step 4: Simplify right side
    544,288.84x = 118,325,088,596.55
  5. Step 5: Solve for x
    x = 118,325,088,596.55/544,288.84
  6. Step 6: Final answer
    x = 217,393.93

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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.