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Finding the Fourth Proportional to 447,441.42, 617,468.94 and 246,237.42

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Solution

The fourth proportional to 447,441.42, 617,468.94 and 246,237.42 is: 339,807.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,441.42 : 617,468.94 = 246,237.42 : x
  2. Step 2: Convert to fraction form
    447,441.42/617,468.94 = 246,237.42/x
  3. Step 3: Cross multiply
    447,441.42x = 617,468.94 × 246,237.42
  4. Step 4: Simplify right side
    447,441.42x = 152,043,958,715.74
  5. Step 5: Solve for x
    x = 152,043,958,715.74/447,441.42
  6. Step 6: Final answer
    x = 339,807.52

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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.