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Finding the Fourth Proportional to 443,873.04, 665,806.56 and 177,695.04

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Solution

The fourth proportional to 443,873.04, 665,806.56 and 177,695.04 is: 266,541.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,873.04 : 665,806.56 = 177,695.04 : x
  2. Step 2: Convert to fraction form
    443,873.04/665,806.56 = 177,695.04/x
  3. Step 3: Cross multiply
    443,873.04x = 665,806.56 × 177,695.04
  4. Step 4: Simplify right side
    443,873.04x = 118,310,523,311.46
  5. Step 5: Solve for x
    x = 118,310,523,311.46/443,873.04
  6. Step 6: Final answer
    x = 266,541.36

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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.