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Finding the Fourth Proportional to 273,419.40, 410,186.70 and 115,566.60

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Solution

The fourth proportional to 273,419.40, 410,186.70 and 115,566.60 is: 173,374.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,419.40 : 410,186.70 = 115,566.60 : x
  2. Step 2: Convert to fraction form
    273,419.40/410,186.70 = 115,566.60/x
  3. Step 3: Cross multiply
    273,419.40x = 410,186.70 × 115,566.60
  4. Step 4: Simplify right side
    273,419.40x = 47,403,882,284.22
  5. Step 5: Solve for x
    x = 47,403,882,284.22/273,419.40
  6. Step 6: Final answer
    x = 173,374.25

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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.