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Finding the Fourth Proportional to 400,964.55, 601,447.60 and 97,357.43

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Solution

The fourth proportional to 400,964.55, 601,447.60 and 97,357.43 is: 146,036.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,964.55 : 601,447.60 = 97,357.43 : x
  2. Step 2: Convert to fraction form
    400,964.55/601,447.60 = 97,357.43/x
  3. Step 3: Cross multiply
    400,964.55x = 601,447.60 × 97,357.43
  4. Step 4: Simplify right side
    400,964.55x = 58,555,394,240.98
  5. Step 5: Solve for x
    x = 58,555,394,240.98/400,964.55
  6. Step 6: Final answer
    x = 146,036.34

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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.