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Finding the Fourth Proportional to 326,811.68, 451,042.22 and 183,571.68

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Solution

The fourth proportional to 326,811.68, 451,042.22 and 183,571.68 is: 253,352.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,811.68 : 451,042.22 = 183,571.68 : x
  2. Step 2: Convert to fraction form
    326,811.68/451,042.22 = 183,571.68/x
  3. Step 3: Cross multiply
    326,811.68x = 451,042.22 × 183,571.68
  4. Step 4: Simplify right side
    326,811.68x = 82,798,577,158.47
  5. Step 5: Solve for x
    x = 82,798,577,158.47/326,811.68
  6. Step 6: Final answer
    x = 253,352.57

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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.