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Finding the Fourth Proportional to 496,192.40, 744,288.60 and 163,725.20

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Solution

The fourth proportional to 496,192.40, 744,288.60 and 163,725.20 is: 245,587.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,192.40 : 744,288.60 = 163,725.20 : x
  2. Step 2: Convert to fraction form
    496,192.40/744,288.60 = 163,725.20/x
  3. Step 3: Cross multiply
    496,192.40x = 744,288.60 × 163,725.20
  4. Step 4: Simplify right side
    496,192.40x = 121,858,799,892.72
  5. Step 5: Solve for x
    x = 121,858,799,892.72/496,192.40
  6. Step 6: Final answer
    x = 245,587.80

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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.