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Finding the Fourth Proportional to 544,069.50, 816,103.20 and 144,710.70

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Solution

The fourth proportional to 544,069.50, 816,103.20 and 144,710.70 is: 217,065.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,069.50 : 816,103.20 = 144,710.70 : x
  2. Step 2: Convert to fraction form
    544,069.50/816,103.20 = 144,710.70/x
  3. Step 3: Cross multiply
    544,069.50x = 816,103.20 × 144,710.70
  4. Step 4: Simplify right side
    544,069.50x = 118,098,865,344.24
  5. Step 5: Solve for x
    x = 118,098,865,344.24/544,069.50
  6. Step 6: Final answer
    x = 217,065.77

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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.