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Finding the Fourth Proportional to 496,622.40, 744,933.60 and 297,556.80

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Solution

The fourth proportional to 496,622.40, 744,933.60 and 297,556.80 is: 446,335.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,622.40 : 744,933.60 = 297,556.80 : x
  2. Step 2: Convert to fraction form
    496,622.40/744,933.60 = 297,556.80/x
  3. Step 3: Cross multiply
    496,622.40x = 744,933.60 × 297,556.80
  4. Step 4: Simplify right side
    496,622.40x = 221,660,058,228.48
  5. Step 5: Solve for x
    x = 221,660,058,228.48/496,622.40
  6. Step 6: Final answer
    x = 446,335.20

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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.