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Finding the Fourth Proportional to 264,628.72, 365,107.16 and 149,889.12

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Solution

The fourth proportional to 264,628.72, 365,107.16 and 149,889.12 is: 206,801.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,628.72 : 365,107.16 = 149,889.12 : x
  2. Step 2: Convert to fraction form
    264,628.72/365,107.16 = 149,889.12/x
  3. Step 3: Cross multiply
    264,628.72x = 365,107.16 × 149,889.12
  4. Step 4: Simplify right side
    264,628.72x = 54,725,590,918.10
  5. Step 5: Solve for x
    x = 54,725,590,918.10/264,628.72
  6. Step 6: Final answer
    x = 206,801.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.