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Finding the Fourth Proportional to 361,060.54, 498,271.23 and 197,723.90

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Solution

The fourth proportional to 361,060.54, 498,271.23 and 197,723.90 is: 272,863.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,060.54 : 498,271.23 = 197,723.90 : x
  2. Step 2: Convert to fraction form
    361,060.54/498,271.23 = 197,723.90/x
  3. Step 3: Cross multiply
    361,060.54x = 498,271.23 × 197,723.90
  4. Step 4: Simplify right side
    361,060.54x = 98,520,132,099.08
  5. Step 5: Solve for x
    x = 98,520,132,099.08/361,060.54
  6. Step 6: Final answer
    x = 272,863.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.