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Finding the Fourth Proportional to 322,425.01, 444,911.16 and 186,438.43

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Solution

The fourth proportional to 322,425.01, 444,911.16 and 186,438.43 is: 257,264.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,425.01 : 444,911.16 = 186,438.43 : x
  2. Step 2: Convert to fraction form
    322,425.01/444,911.16 = 186,438.43/x
  3. Step 3: Cross multiply
    322,425.01x = 444,911.16 × 186,438.43
  4. Step 4: Simplify right side
    322,425.01x = 82,948,538,159.88
  5. Step 5: Solve for x
    x = 82,948,538,159.88/322,425.01
  6. Step 6: Final answer
    x = 257,264.59

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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.