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Finding the Fourth Proportional to 264,855.36, 365,507.60 and 144,004.80

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Solution

The fourth proportional to 264,855.36, 365,507.60 and 144,004.80 is: 198,730.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,855.36 : 365,507.60 = 144,004.80 : x
  2. Step 2: Convert to fraction form
    264,855.36/365,507.60 = 144,004.80/x
  3. Step 3: Cross multiply
    264,855.36x = 365,507.60 × 144,004.80
  4. Step 4: Simplify right side
    264,855.36x = 52,634,848,836.48
  5. Step 5: Solve for x
    x = 52,634,848,836.48/264,855.36
  6. Step 6: Final answer
    x = 198,730.54

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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.