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Finding the Fourth Proportional to 624,542.40, 937,103.40 and 198,145.44

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Solution

The fourth proportional to 624,542.40, 937,103.40 and 198,145.44 is: 297,310.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,542.40 : 937,103.40 = 198,145.44 : x
  2. Step 2: Convert to fraction form
    624,542.40/937,103.40 = 198,145.44/x
  3. Step 3: Cross multiply
    624,542.40x = 937,103.40 × 198,145.44
  4. Step 4: Simplify right side
    624,542.40x = 185,682,765,518.50
  5. Step 5: Solve for x
    x = 185,682,765,518.50/624,542.40
  6. Step 6: Final answer
    x = 297,310.10

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1.5x scale

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.