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Finding the Fourth Proportional to 443,668.80, 665,600.40 and 177,362.40

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Solution

The fourth proportional to 443,668.80, 665,600.40 and 177,362.40 is: 266,082.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,668.80 : 665,600.40 = 177,362.40 : x
  2. Step 2: Convert to fraction form
    443,668.80/665,600.40 = 177,362.40/x
  3. Step 3: Cross multiply
    443,668.80x = 665,600.40 × 177,362.40
  4. Step 4: Simplify right side
    443,668.80x = 118,052,484,384.96
  5. Step 5: Solve for x
    x = 118,052,484,384.96/443,668.80
  6. Step 6: Final answer
    x = 266,082.46

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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.