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Finding the Fourth Proportional to 350,416.56, 525,702.60 and 163,326

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Solution

The fourth proportional to 350,416.56, 525,702.60 and 163,326 is: 245,025.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,416.56 : 525,702.60 = 163,326 : x
  2. Step 2: Convert to fraction form
    350,416.56/525,702.60 = 163,326/x
  3. Step 3: Cross multiply
    350,416.56x = 525,702.60 × 163,326
  4. Step 4: Simplify right side
    350,416.56x = 85,860,902,847.60
  5. Step 5: Solve for x
    x = 85,860,902,847.60/350,416.56
  6. Step 6: Final answer
    x = 245,025.24

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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.