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Finding the Fourth Proportional to 496,186.45, 744,525.61 and 196,660.40

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Solution

The fourth proportional to 496,186.45, 744,525.61 and 196,660.40 is: 295,088.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,186.45 : 744,525.61 = 196,660.40 : x
  2. Step 2: Convert to fraction form
    496,186.45/744,525.61 = 196,660.40/x
  3. Step 3: Cross multiply
    496,186.45x = 744,525.61 × 196,660.40
  4. Step 4: Simplify right side
    496,186.45x = 146,418,700,058.57
  5. Step 5: Solve for x
    x = 146,418,700,058.57/496,186.45
  6. Step 6: Final answer
    x = 295,088.07

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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.