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Finding the Fourth Proportional to 264,839.64, 365,471.09 and 150,128.89

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Solution

The fourth proportional to 264,839.64, 365,471.09 and 150,128.89 is: 207,173.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,839.64 : 365,471.09 = 150,128.89 : x
  2. Step 2: Convert to fraction form
    264,839.64/365,471.09 = 150,128.89/x
  3. Step 3: Cross multiply
    264,839.64x = 365,471.09 × 150,128.89
  4. Step 4: Simplify right side
    264,839.64x = 54,867,767,967.45
  5. Step 5: Solve for x
    x = 54,867,767,967.45/264,839.64
  6. Step 6: Final answer
    x = 207,173.55

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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.