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Finding the Fourth Proportional to 248,673.53, 373,271.20 and 220,391.52

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Solution

The fourth proportional to 248,673.53, 373,271.20 and 220,391.52 is: 330,818.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,673.53 : 373,271.20 = 220,391.52 : x
  2. Step 2: Convert to fraction form
    248,673.53/373,271.20 = 220,391.52/x
  3. Step 3: Cross multiply
    248,673.53x = 373,271.20 × 220,391.52
  4. Step 4: Simplify right side
    248,673.53x = 82,265,805,893.09
  5. Step 5: Solve for x
    x = 82,265,805,893.09/248,673.53
  6. Step 6: Final answer
    x = 330,818.51

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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.