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Finding the Fourth Proportional to 568,394.55, 852,407.28 and 189,213.44

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Solution

The fourth proportional to 568,394.55, 852,407.28 and 189,213.44 is: 283,758.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,394.55 : 852,407.28 = 189,213.44 : x
  2. Step 2: Convert to fraction form
    568,394.55/852,407.28 = 189,213.44/x
  3. Step 3: Cross multiply
    568,394.55x = 852,407.28 × 189,213.44
  4. Step 4: Simplify right side
    568,394.55x = 161,286,909,467.81
  5. Step 5: Solve for x
    x = 161,286,909,467.81/568,394.55
  6. Step 6: Final answer
    x = 283,758.72

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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.