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Finding the Fourth Proportional to 396,575.72, 594,820.06 and 116,095.72

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Solution

The fourth proportional to 396,575.72, 594,820.06 and 116,095.72 is: 174,130.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,575.72 : 594,820.06 = 116,095.72 : x
  2. Step 2: Convert to fraction form
    396,575.72/594,820.06 = 116,095.72/x
  3. Step 3: Cross multiply
    396,575.72x = 594,820.06 × 116,095.72
  4. Step 4: Simplify right side
    396,575.72x = 69,056,063,136.14
  5. Step 5: Solve for x
    x = 69,056,063,136.14/396,575.72
  6. Step 6: Final answer
    x = 174,130.84

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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.