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Finding the Fourth Proportional to 270,872, 373,679.32 and 175,409.44

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Solution

The fourth proportional to 270,872, 373,679.32 and 175,409.44 is: 241,984.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,872 : 373,679.32 = 175,409.44 : x
  2. Step 2: Convert to fraction form
    270,872/373,679.32 = 175,409.44/x
  3. Step 3: Cross multiply
    270,872x = 373,679.32 × 175,409.44
  4. Step 4: Simplify right side
    270,872x = 65,546,880,260.78
  5. Step 5: Solve for x
    x = 65,546,880,260.78/270,872
  6. Step 6: Final answer
    x = 241,984.70

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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.