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Finding the Fourth Proportional to 366,912.15, 550,368.23 and 352,915.35

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Solution

The fourth proportional to 366,912.15, 550,368.23 and 352,915.35 is: 529,373.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,912.15 : 550,368.23 = 352,915.35 : x
  2. Step 2: Convert to fraction form
    366,912.15/550,368.23 = 352,915.35/x
  3. Step 3: Cross multiply
    366,912.15x = 550,368.23 × 352,915.35
  4. Step 4: Simplify right side
    366,912.15x = 194,233,396,519.33
  5. Step 5: Solve for x
    x = 194,233,396,519.33/366,912.15
  6. Step 6: Final answer
    x = 529,373.03

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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.