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Finding the Fourth Proportional to 272,872.48, 373,836.65 and 262,645.40

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Solution

The fourth proportional to 272,872.48, 373,836.65 and 262,645.40 is: 359,825.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,872.48 : 373,836.65 = 262,645.40 : x
  2. Step 2: Convert to fraction form
    272,872.48/373,836.65 = 262,645.40/x
  3. Step 3: Cross multiply
    272,872.48x = 373,836.65 × 262,645.40
  4. Step 4: Simplify right side
    272,872.48x = 98,186,474,604.73
  5. Step 5: Solve for x
    x = 98,186,474,604.73/272,872.48
  6. Step 6: Final answer
    x = 359,825.49

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.