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Finding the Fourth Proportional to 443,653.04, 665,479.56 and 111,229.04

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Solution

The fourth proportional to 443,653.04, 665,479.56 and 111,229.04 is: 166,843.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,653.04 : 665,479.56 = 111,229.04 : x
  2. Step 2: Convert to fraction form
    443,653.04/665,479.56 = 111,229.04/x
  3. Step 3: Cross multiply
    443,653.04x = 665,479.56 × 111,229.04
  4. Step 4: Simplify right side
    443,653.04x = 74,020,652,598.42
  5. Step 5: Solve for x
    x = 74,020,652,598.42/443,653.04
  6. Step 6: Final answer
    x = 166,843.56

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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.