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Finding the Fourth Proportional to 385,265.46, 577,754.48 and 132,474.44

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Solution

The fourth proportional to 385,265.46, 577,754.48 and 132,474.44 is: 198,662.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,265.46 : 577,754.48 = 132,474.44 : x
  2. Step 2: Convert to fraction form
    385,265.46/577,754.48 = 132,474.44/x
  3. Step 3: Cross multiply
    385,265.46x = 577,754.48 × 132,474.44
  4. Step 4: Simplify right side
    385,265.46x = 76,537,701,195.49
  5. Step 5: Solve for x
    x = 76,537,701,195.49/385,265.46
  6. Step 6: Final answer
    x = 198,662.24

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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.