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Finding the Fourth Proportional to 331,282.70, 496,924.05 and 308,975.30

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Solution

The fourth proportional to 331,282.70, 496,924.05 and 308,975.30 is: 463,462.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,282.70 : 496,924.05 = 308,975.30 : x
  2. Step 2: Convert to fraction form
    331,282.70/496,924.05 = 308,975.30/x
  3. Step 3: Cross multiply
    331,282.70x = 496,924.05 × 308,975.30
  4. Step 4: Simplify right side
    331,282.70x = 153,537,257,425.97
  5. Step 5: Solve for x
    x = 153,537,257,425.97/331,282.70
  6. Step 6: Final answer
    x = 463,462.95

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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.