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Finding the Fourth Proportional to 450,317.56, 675,523.48 and 146,735.30

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Solution

The fourth proportional to 450,317.56, 675,523.48 and 146,735.30 is: 220,118.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,317.56 : 675,523.48 = 146,735.30 : x
  2. Step 2: Convert to fraction form
    450,317.56/675,523.48 = 146,735.30/x
  3. Step 3: Cross multiply
    450,317.56x = 675,523.48 × 146,735.30
  4. Step 4: Simplify right side
    450,317.56x = 99,123,140,494.84
  5. Step 5: Solve for x
    x = 99,123,140,494.84/450,317.56
  6. Step 6: Final answer
    x = 220,118.31

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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.