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Finding the Fourth Proportional to 451,176, 622,622.88 and 269,895.57

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Solution

The fourth proportional to 451,176, 622,622.88 and 269,895.57 is: 372,455.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,176 : 622,622.88 = 269,895.57 : x
  2. Step 2: Convert to fraction form
    451,176/622,622.88 = 269,895.57/x
  3. Step 3: Cross multiply
    451,176x = 622,622.88 × 269,895.57
  4. Step 4: Simplify right side
    451,176x = 168,043,157,092.64
  5. Step 5: Solve for x
    x = 168,043,157,092.64/451,176
  6. Step 6: Final answer
    x = 372,455.89

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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.