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Finding the Fourth Proportional to 647,532.55, 970,910.02 and 332,604.55

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Solution

The fourth proportional to 647,532.55, 970,910.02 and 332,604.55 is: 498,707.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,532.55 : 970,910.02 = 332,604.55 : x
  2. Step 2: Convert to fraction form
    647,532.55/970,910.02 = 332,604.55/x
  3. Step 3: Cross multiply
    647,532.55x = 970,910.02 × 332,604.55
  4. Step 4: Simplify right side
    647,532.55x = 322,929,090,292.59
  5. Step 5: Solve for x
    x = 322,929,090,292.59/647,532.55
  6. Step 6: Final answer
    x = 498,707.12

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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.