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Finding the Fourth Proportional to 396,420.42, 594,625.46 and 96,903.63

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Solution

The fourth proportional to 396,420.42, 594,625.46 and 96,903.63 is: 145,354.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,420.42 : 594,625.46 = 96,903.63 : x
  2. Step 2: Convert to fraction form
    396,420.42/594,625.46 = 96,903.63/x
  3. Step 3: Cross multiply
    396,420.42x = 594,625.46 × 96,903.63
  4. Step 4: Simplify right side
    396,420.42x = 57,621,365,564.42
  5. Step 5: Solve for x
    x = 57,621,365,564.42/396,420.42
  6. Step 6: Final answer
    x = 145,354.18

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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.