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Finding the Fourth Proportional to 326,506.43, 450,554.17 and 183,238.80

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Solution

The fourth proportional to 326,506.43, 450,554.17 and 183,238.80 is: 252,855.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,506.43 : 450,554.17 = 183,238.80 : x
  2. Step 2: Convert to fraction form
    326,506.43/450,554.17 = 183,238.80/x
  3. Step 3: Cross multiply
    326,506.43x = 450,554.17 × 183,238.80
  4. Step 4: Simplify right side
    326,506.43x = 82,559,004,529.60
  5. Step 5: Solve for x
    x = 82,559,004,529.60/326,506.43
  6. Step 6: Final answer
    x = 252,855.68

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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.