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Finding the Fourth Proportional to 647,283.48, 970,251.59 and 362,556.59

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Solution

The fourth proportional to 647,283.48, 970,251.59 and 362,556.59 is: 543,457.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,283.48 : 970,251.59 = 362,556.59 : x
  2. Step 2: Convert to fraction form
    647,283.48/970,251.59 = 362,556.59/x
  3. Step 3: Cross multiply
    647,283.48x = 970,251.59 × 362,556.59
  4. Step 4: Simplify right side
    647,283.48x = 351,771,101,248.44
  5. Step 5: Solve for x
    x = 351,771,101,248.44/647,283.48
  6. Step 6: Final answer
    x = 543,457.56

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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.