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Finding the Fourth Proportional to 450,442.88, 621,611.23 and 246,493.85

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Solution

The fourth proportional to 450,442.88, 621,611.23 and 246,493.85 is: 340,161.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,442.88 : 621,611.23 = 246,493.85 : x
  2. Step 2: Convert to fraction form
    450,442.88/621,611.23 = 246,493.85/x
  3. Step 3: Cross multiply
    450,442.88x = 621,611.23 × 246,493.85
  4. Step 4: Simplify right side
    450,442.88x = 153,223,341,561.65
  5. Step 5: Solve for x
    x = 153,223,341,561.65/450,442.88
  6. Step 6: Final answer
    x = 340,161.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.