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Finding the Fourth Proportional to 443,195.91, 665,001.47 and 218,433.82

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Solution

The fourth proportional to 443,195.91, 665,001.47 and 218,433.82 is: 327,753.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,195.91 : 665,001.47 = 218,433.82 : x
  2. Step 2: Convert to fraction form
    443,195.91/665,001.47 = 218,433.82/x
  3. Step 3: Cross multiply
    443,195.91x = 665,001.47 × 218,433.82
  4. Step 4: Simplify right side
    443,195.91x = 145,258,808,072.71
  5. Step 5: Solve for x
    x = 145,258,808,072.71/443,195.91
  6. Step 6: Final answer
    x = 327,753.05

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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.