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Finding the Fourth Proportional to 331,033.48, 496,254.90 and 275,330.56

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Solution

The fourth proportional to 331,033.48, 496,254.90 and 275,330.56 is: 412,750.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,033.48 : 496,254.90 = 275,330.56 : x
  2. Step 2: Convert to fraction form
    331,033.48/496,254.90 = 275,330.56/x
  3. Step 3: Cross multiply
    331,033.48x = 496,254.90 × 275,330.56
  4. Step 4: Simplify right side
    331,033.48x = 136,634,139,519.74
  5. Step 5: Solve for x
    x = 136,634,139,519.74/331,033.48
  6. Step 6: Final answer
    x = 412,750.21

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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.