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Finding the Fourth Proportional to 399,354.32, 598,865.88 and 162,536.24

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Solution

The fourth proportional to 399,354.32, 598,865.88 and 162,536.24 is: 243,736.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,354.32 : 598,865.88 = 162,536.24 : x
  2. Step 2: Convert to fraction form
    399,354.32/598,865.88 = 162,536.24/x
  3. Step 3: Cross multiply
    399,354.32x = 598,865.88 × 162,536.24
  4. Step 4: Simplify right side
    399,354.32x = 97,337,408,399.49
  5. Step 5: Solve for x
    x = 97,337,408,399.49/399,354.32
  6. Step 6: Final answer
    x = 243,736.96

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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.