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Finding the Fourth Proportional to 261,704.40, 392,556.60 and 241,486.80

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Solution

The fourth proportional to 261,704.40, 392,556.60 and 241,486.80 is: 362,230.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,704.40 : 392,556.60 = 241,486.80 : x
  2. Step 2: Convert to fraction form
    261,704.40/392,556.60 = 241,486.80/x
  3. Step 3: Cross multiply
    261,704.40x = 392,556.60 × 241,486.80
  4. Step 4: Simplify right side
    261,704.40x = 94,797,237,152.88
  5. Step 5: Solve for x
    x = 94,797,237,152.88/261,704.40
  6. Step 6: Final answer
    x = 362,230.20

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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.