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Finding the Fourth Proportional to 264,004.20, 395,909.10 and 130,840.20

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Solution

The fourth proportional to 264,004.20, 395,909.10 and 130,840.20 is: 196,212.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,004.20 : 395,909.10 = 130,840.20 : x
  2. Step 2: Convert to fraction form
    264,004.20/395,909.10 = 130,840.20/x
  3. Step 3: Cross multiply
    264,004.20x = 395,909.10 × 130,840.20
  4. Step 4: Simplify right side
    264,004.20x = 51,800,825,825.82
  5. Step 5: Solve for x
    x = 51,800,825,825.82/264,004.20
  6. Step 6: Final answer
    x = 196,212.13

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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.