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Finding the Fourth Proportional to 352,408.24, 528,630.80 and 163,045.47

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Solution

The fourth proportional to 352,408.24, 528,630.80 and 163,045.47 is: 244,576.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,408.24 : 528,630.80 = 163,045.47 : x
  2. Step 2: Convert to fraction form
    352,408.24/528,630.80 = 163,045.47/x
  3. Step 3: Cross multiply
    352,408.24x = 528,630.80 × 163,045.47
  4. Step 4: Simplify right side
    352,408.24x = 86,190,857,650.09
  5. Step 5: Solve for x
    x = 86,190,857,650.09/352,408.24
  6. Step 6: Final answer
    x = 244,576.74

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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.