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Finding the Fourth Proportional to 410,279.34, 615,468.15 and 125,932.64

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Solution

The fourth proportional to 410,279.34, 615,468.15 and 125,932.64 is: 188,914.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,279.34 : 615,468.15 = 125,932.64 : x
  2. Step 2: Convert to fraction form
    410,279.34/615,468.15 = 125,932.64/x
  3. Step 3: Cross multiply
    410,279.34x = 615,468.15 × 125,932.64
  4. Step 4: Simplify right side
    410,279.34x = 77,507,530,504.09
  5. Step 5: Solve for x
    x = 77,507,530,504.09/410,279.34
  6. Step 6: Final answer
    x = 188,914.05

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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.