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Finding the Fourth Proportional to 448,640, 673,087.12 and 182,591.46

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Solution

The fourth proportional to 448,640, 673,087.12 and 182,591.46 is: 273,938.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,640 : 673,087.12 = 182,591.46 : x
  2. Step 2: Convert to fraction form
    448,640/673,087.12 = 182,591.46/x
  3. Step 3: Cross multiply
    448,640x = 673,087.12 × 182,591.46
  4. Step 4: Simplify right side
    448,640x = 122,899,959,948.00
  5. Step 5: Solve for x
    x = 122,899,959,948.00/448,640
  6. Step 6: Final answer
    x = 273,938.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.