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Finding the Fourth Proportional to 647,544.48, 971,083.36 and 273,596.64

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Solution

The fourth proportional to 647,544.48, 971,083.36 and 273,596.64 is: 410,296.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,544.48 : 971,083.36 = 273,596.64 : x
  2. Step 2: Convert to fraction form
    647,544.48/971,083.36 = 273,596.64/x
  3. Step 3: Cross multiply
    647,544.48x = 971,083.36 × 273,596.64
  4. Step 4: Simplify right side
    647,544.48x = 265,685,144,455.91
  5. Step 5: Solve for x
    x = 265,685,144,455.91/647,544.48
  6. Step 6: Final answer
    x = 410,296.36

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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.