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Finding the Fourth Proportional to 447,438.42, 617,464.80 and 246,234.42

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Solution

The fourth proportional to 447,438.42, 617,464.80 and 246,234.42 is: 339,803.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,438.42 : 617,464.80 = 246,234.42 : x
  2. Step 2: Convert to fraction form
    447,438.42/617,464.80 = 246,234.42/x
  3. Step 3: Cross multiply
    447,438.42x = 617,464.80 × 246,234.42
  4. Step 4: Simplify right side
    447,438.42x = 152,041,086,898.42
  5. Step 5: Solve for x
    x = 152,041,086,898.42/447,438.42
  6. Step 6: Final answer
    x = 339,803.38

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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.