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Finding the Fourth Proportional to 491,633.88, 737,450.84 and 281,124.24

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Solution

The fourth proportional to 491,633.88, 737,450.84 and 281,124.24 is: 421,686.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,633.88 : 737,450.84 = 281,124.24 : x
  2. Step 2: Convert to fraction form
    491,633.88/737,450.84 = 281,124.24/x
  3. Step 3: Cross multiply
    491,633.88x = 737,450.84 × 281,124.24
  4. Step 4: Simplify right side
    491,633.88x = 207,315,306,932.36
  5. Step 5: Solve for x
    x = 207,315,306,932.36/491,633.88
  6. Step 6: Final answer
    x = 421,686.37

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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.