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Finding the Fourth Proportional to 324,647.32, 448,004.71 and 181,408.54

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Solution

The fourth proportional to 324,647.32, 448,004.71 and 181,408.54 is: 250,338.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,647.32 : 448,004.71 = 181,408.54 : x
  2. Step 2: Convert to fraction form
    324,647.32/448,004.71 = 181,408.54/x
  3. Step 3: Cross multiply
    324,647.32x = 448,004.71 × 181,408.54
  4. Step 4: Simplify right side
    324,647.32x = 81,271,880,354.22
  5. Step 5: Solve for x
    x = 81,271,880,354.22/324,647.32
  6. Step 6: Final answer
    x = 250,338.98

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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.