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Finding the Fourth Proportional to 200,613.20, 280,333.60 and 200,613.20

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Solution

The fourth proportional to 200,613.20, 280,333.60 and 200,613.20 is: 280,333.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,613.20 : 280,333.60 = 200,613.20 : x
  2. Step 2: Convert to fraction form
    200,613.20/280,333.60 = 200,613.20/x
  3. Step 3: Cross multiply
    200,613.20x = 280,333.60 × 200,613.20
  4. Step 4: Simplify right side
    200,613.20x = 56,238,620,563.52
  5. Step 5: Solve for x
    x = 56,238,620,563.52/200,613.20
  6. Step 6: Final answer
    x = 280,333.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.