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Finding the Fourth Proportional to 326,960.57, 451,245.90 and 183,717.50

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Solution

The fourth proportional to 326,960.57, 451,245.90 and 183,717.50 is: 253,552.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,960.57 : 451,245.90 = 183,717.50 : x
  2. Step 2: Convert to fraction form
    326,960.57/451,245.90 = 183,717.50/x
  3. Step 3: Cross multiply
    326,960.57x = 451,245.90 × 183,717.50
  4. Step 4: Simplify right side
    326,960.57x = 82,901,768,633.25
  5. Step 5: Solve for x
    x = 82,901,768,633.25/326,960.57
  6. Step 6: Final answer
    x = 253,552.80

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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.