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Finding the Fourth Proportional to 443,365.44, 665,313.12 and 162,911.04

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Solution

The fourth proportional to 443,365.44, 665,313.12 and 162,911.04 is: 244,463.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,365.44 : 665,313.12 = 162,911.04 : x
  2. Step 2: Convert to fraction form
    443,365.44/665,313.12 = 162,911.04/x
  3. Step 3: Cross multiply
    443,365.44x = 665,313.12 × 162,911.04
  4. Step 4: Simplify right side
    443,365.44x = 108,386,852,304.85
  5. Step 5: Solve for x
    x = 108,386,852,304.85/443,365.44
  6. Step 6: Final answer
    x = 244,463.92

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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.