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Finding the Fourth Proportional to 326,682.30, 450,790.20 and 183,409.50

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Solution

The fourth proportional to 326,682.30, 450,790.20 and 183,409.50 is: 253,087.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,682.30 : 450,790.20 = 183,409.50 : x
  2. Step 2: Convert to fraction form
    326,682.30/450,790.20 = 183,409.50/x
  3. Step 3: Cross multiply
    326,682.30x = 450,790.20 × 183,409.50
  4. Step 4: Simplify right side
    326,682.30x = 82,679,205,186.90
  5. Step 5: Solve for x
    x = 82,679,205,186.90/326,682.30
  6. Step 6: Final answer
    x = 253,087.50

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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.