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Finding the Fourth Proportional to 366,911.45, 550,367.18 and 314,423.45

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Solution

The fourth proportional to 366,911.45, 550,367.18 and 314,423.45 is: 471,635.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,911.45 : 550,367.18 = 314,423.45 : x
  2. Step 2: Convert to fraction form
    366,911.45/550,367.18 = 314,423.45/x
  3. Step 3: Cross multiply
    366,911.45x = 550,367.18 × 314,423.45
  4. Step 4: Simplify right side
    366,911.45x = 173,048,347,502.37
  5. Step 5: Solve for x
    x = 173,048,347,502.37/366,911.45
  6. Step 6: Final answer
    x = 471,635.18

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.