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Finding the Fourth Proportional to 326,418.92, 450,461.22 and 190,537.64

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Solution

The fourth proportional to 326,418.92, 450,461.22 and 190,537.64 is: 262,943.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,418.92 : 450,461.22 = 190,537.64 : x
  2. Step 2: Convert to fraction form
    326,418.92/450,461.22 = 190,537.64/x
  3. Step 3: Cross multiply
    326,418.92x = 450,461.22 × 190,537.64
  4. Step 4: Simplify right side
    326,418.92x = 85,829,817,770.32
  5. Step 5: Solve for x
    x = 85,829,817,770.32/326,418.92
  6. Step 6: Final answer
    x = 262,943.76

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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.