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Finding the Fourth Proportional to 200,416.80, 300,625.20 and 182,337.60

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Solution

The fourth proportional to 200,416.80, 300,625.20 and 182,337.60 is: 273,506.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,416.80 : 300,625.20 = 182,337.60 : x
  2. Step 2: Convert to fraction form
    200,416.80/300,625.20 = 182,337.60/x
  3. Step 3: Cross multiply
    200,416.80x = 300,625.20 × 182,337.60
  4. Step 4: Simplify right side
    200,416.80x = 54,815,277,467.52
  5. Step 5: Solve for x
    x = 54,815,277,467.52/200,416.80
  6. Step 6: Final answer
    x = 273,506.40

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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.