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Finding the Fourth Proportional to 264,078.60, 364,351.68 and 172,224.60

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Solution

The fourth proportional to 264,078.60, 364,351.68 and 172,224.60 is: 237,619.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,078.60 : 364,351.68 = 172,224.60 : x
  2. Step 2: Convert to fraction form
    264,078.60/364,351.68 = 172,224.60/x
  3. Step 3: Cross multiply
    264,078.60x = 364,351.68 × 172,224.60
  4. Step 4: Simplify right side
    264,078.60x = 62,750,322,347.33
  5. Step 5: Solve for x
    x = 62,750,322,347.33/264,078.60
  6. Step 6: Final answer
    x = 237,619.87

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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.