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Finding the Fourth Proportional to 638,383.77, 957,804.30 and 273,492.27

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Solution

The fourth proportional to 638,383.77, 957,804.30 and 273,492.27 is: 410,336.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,383.77 : 957,804.30 = 273,492.27 : x
  2. Step 2: Convert to fraction form
    638,383.77/957,804.30 = 273,492.27/x
  3. Step 3: Cross multiply
    638,383.77x = 957,804.30 × 273,492.27
  4. Step 4: Simplify right side
    638,383.77x = 261,952,072,222.76
  5. Step 5: Solve for x
    x = 261,952,072,222.76/638,383.77
  6. Step 6: Final answer
    x = 410,336.36

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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.