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Finding the Fourth Proportional to 350,375.46, 523,643.15 and 255,804.82

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Solution

The fourth proportional to 350,375.46, 523,643.15 and 255,804.82 is: 382,305.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,375.46 : 523,643.15 = 255,804.82 : x
  2. Step 2: Convert to fraction form
    350,375.46/523,643.15 = 255,804.82/x
  3. Step 3: Cross multiply
    350,375.46x = 523,643.15 × 255,804.82
  4. Step 4: Simplify right side
    350,375.46x = 133,950,441,729.98
  5. Step 5: Solve for x
    x = 133,950,441,729.98/350,375.46
  6. Step 6: Final answer
    x = 382,305.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.