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Finding the Fourth Proportional to 492,221.92, 737,814.48 and 255,313.12

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Solution

The fourth proportional to 492,221.92, 737,814.48 and 255,313.12 is: 382,700.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,221.92 : 737,814.48 = 255,313.12 : x
  2. Step 2: Convert to fraction form
    492,221.92/737,814.48 = 255,313.12/x
  3. Step 3: Cross multiply
    492,221.92x = 737,814.48 × 255,313.12
  4. Step 4: Simplify right side
    492,221.92x = 188,373,716,869.98
  5. Step 5: Solve for x
    x = 188,373,716,869.98/492,221.92
  6. Step 6: Final answer
    x = 382,700.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.