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Finding the Fourth Proportional to 491,704.40, 737,556.60 and 325,492.40

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Solution

The fourth proportional to 491,704.40, 737,556.60 and 325,492.40 is: 488,238.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,704.40 : 737,556.60 = 325,492.40 : x
  2. Step 2: Convert to fraction form
    491,704.40/737,556.60 = 325,492.40/x
  3. Step 3: Cross multiply
    491,704.40x = 737,556.60 × 325,492.40
  4. Step 4: Simplify right side
    491,704.40x = 240,069,067,869.84
  5. Step 5: Solve for x
    x = 240,069,067,869.84/491,704.40
  6. Step 6: Final answer
    x = 488,238.60

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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.