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Finding the Fourth Proportional to 481,450.61, 665,093.89 and 384,527.21

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Solution

The fourth proportional to 481,450.61, 665,093.89 and 384,527.21 is: 531,200.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,450.61 : 665,093.89 = 384,527.21 : x
  2. Step 2: Convert to fraction form
    481,450.61/665,093.89 = 384,527.21/x
  3. Step 3: Cross multiply
    481,450.61x = 665,093.89 × 384,527.21
  4. Step 4: Simplify right side
    481,450.61x = 255,746,697,208.33
  5. Step 5: Solve for x
    x = 255,746,697,208.33/481,450.61
  6. Step 6: Final answer
    x = 531,200.28

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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.