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Finding the Fourth Proportional to 396,292.32, 594,438.48 and 171,468.72

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Solution

The fourth proportional to 396,292.32, 594,438.48 and 171,468.72 is: 257,203.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,292.32 : 594,438.48 = 171,468.72 : x
  2. Step 2: Convert to fraction form
    396,292.32/594,438.48 = 171,468.72/x
  3. Step 3: Cross multiply
    396,292.32x = 594,438.48 × 171,468.72
  4. Step 4: Simplify right side
    396,292.32x = 101,927,605,284.35
  5. Step 5: Solve for x
    x = 101,927,605,284.35/396,292.32
  6. Step 6: Final answer
    x = 257,203.08

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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.