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Finding the Fourth Proportional to 366,912.90, 550,369.35 and 352,916.10

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Solution

The fourth proportional to 366,912.90, 550,369.35 and 352,916.10 is: 529,374.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,912.90 : 550,369.35 = 352,916.10 : x
  2. Step 2: Convert to fraction form
    366,912.90/550,369.35 = 352,916.10/x
  3. Step 3: Cross multiply
    366,912.90x = 550,369.35 × 352,916.10
  4. Step 4: Simplify right side
    366,912.90x = 194,234,204,561.54
  5. Step 5: Solve for x
    x = 194,234,204,561.54/366,912.90
  6. Step 6: Final answer
    x = 529,374.15

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1.5x scale

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.