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Finding the Fourth Proportional to 326,440.84, 450,491.70 and 181,249

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Solution

The fourth proportional to 326,440.84, 450,491.70 and 181,249 is: 250,125.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,440.84 : 450,491.70 = 181,249 : x
  2. Step 2: Convert to fraction form
    326,440.84/450,491.70 = 181,249/x
  3. Step 3: Cross multiply
    326,440.84x = 450,491.70 × 181,249
  4. Step 4: Simplify right side
    326,440.84x = 81,651,170,133.30
  5. Step 5: Solve for x
    x = 81,651,170,133.30/326,440.84
  6. Step 6: Final answer
    x = 250,125.47

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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.