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Finding the Fourth Proportional to 443,425.92, 611,904.96 and 242,183.04

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Solution

The fourth proportional to 443,425.92, 611,904.96 and 242,183.04 is: 334,200.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,425.92 : 611,904.96 = 242,183.04 : x
  2. Step 2: Convert to fraction form
    443,425.92/611,904.96 = 242,183.04/x
  3. Step 3: Cross multiply
    443,425.92x = 611,904.96 × 242,183.04
  4. Step 4: Simplify right side
    443,425.92x = 148,193,003,403.88
  5. Step 5: Solve for x
    x = 148,193,003,403.88/443,425.92
  6. Step 6: Final answer
    x = 334,200.14

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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.