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Finding the Fourth Proportional to 264,739.60, 397,109.40 and 159,504.40

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Solution

The fourth proportional to 264,739.60, 397,109.40 and 159,504.40 is: 239,256.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,739.60 : 397,109.40 = 159,504.40 : x
  2. Step 2: Convert to fraction form
    264,739.60/397,109.40 = 159,504.40/x
  3. Step 3: Cross multiply
    264,739.60x = 397,109.40 × 159,504.40
  4. Step 4: Simplify right side
    264,739.60x = 63,340,696,581.36
  5. Step 5: Solve for x
    x = 63,340,696,581.36/264,739.60
  6. Step 6: Final answer
    x = 239,256.60

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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.