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Finding the Fourth Proportional to 360,018.54, 496,825.89 and 196,677.30

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Solution

The fourth proportional to 360,018.54, 496,825.89 and 196,677.30 is: 271,414.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,018.54 : 496,825.89 = 196,677.30 : x
  2. Step 2: Convert to fraction form
    360,018.54/496,825.89 = 196,677.30/x
  3. Step 3: Cross multiply
    360,018.54x = 496,825.89 × 196,677.30
  4. Step 4: Simplify right side
    360,018.54x = 97,714,374,615.30
  5. Step 5: Solve for x
    x = 97,714,374,615.30/360,018.54
  6. Step 6: Final answer
    x = 271,414.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.