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Finding the Fourth Proportional to 443,999.76, 665,941.92 and 177,762.89

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Solution

The fourth proportional to 443,999.76, 665,941.92 and 177,762.89 is: 266,621.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,999.76 : 665,941.92 = 177,762.89 : x
  2. Step 2: Convert to fraction form
    443,999.76/665,941.92 = 177,762.89/x
  3. Step 3: Cross multiply
    443,999.76x = 665,941.92 × 177,762.89
  4. Step 4: Simplify right side
    443,999.76x = 118,379,756,941.64
  5. Step 5: Solve for x
    x = 118,379,756,941.64/443,999.76
  6. Step 6: Final answer
    x = 266,621.22

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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.