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Finding the Fourth Proportional to 264,048.30, 396,072.45 and 159,072.30

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Solution

The fourth proportional to 264,048.30, 396,072.45 and 159,072.30 is: 238,608.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,048.30 : 396,072.45 = 159,072.30 : x
  2. Step 2: Convert to fraction form
    264,048.30/396,072.45 = 159,072.30/x
  3. Step 3: Cross multiply
    264,048.30x = 396,072.45 × 159,072.30
  4. Step 4: Simplify right side
    264,048.30x = 63,004,155,588.14
  5. Step 5: Solve for x
    x = 63,004,155,588.14/264,048.30
  6. Step 6: Final answer
    x = 238,608.45

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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.