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Finding the Fourth Proportional to 322,785.46, 445,497.99 and 186,795.98

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Solution

The fourth proportional to 322,785.46, 445,497.99 and 186,795.98 is: 257,809.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,785.46 : 445,497.99 = 186,795.98 : x
  2. Step 2: Convert to fraction form
    322,785.46/445,497.99 = 186,795.98/x
  3. Step 3: Cross multiply
    322,785.46x = 445,497.99 × 186,795.98
  4. Step 4: Simplify right side
    322,785.46x = 83,217,233,423.45
  5. Step 5: Solve for x
    x = 83,217,233,423.45/322,785.46
  6. Step 6: Final answer
    x = 257,809.73

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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.