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Finding the Fourth Proportional to 538,924.92, 743,704.06 and 297,200.60

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Solution

The fourth proportional to 538,924.92, 743,704.06 and 297,200.60 is: 410,130.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,924.92 : 743,704.06 = 297,200.60 : x
  2. Step 2: Convert to fraction form
    538,924.92/743,704.06 = 297,200.60/x
  3. Step 3: Cross multiply
    538,924.92x = 743,704.06 × 297,200.60
  4. Step 4: Simplify right side
    538,924.92x = 221,029,292,854.44
  5. Step 5: Solve for x
    x = 221,029,292,854.44/538,924.92
  6. Step 6: Final answer
    x = 410,130.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.