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Finding the Fourth Proportional to 265,687.20, 365,901.84 and 259,881.12

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Solution

The fourth proportional to 265,687.20, 365,901.84 and 259,881.12 is: 357,905.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,687.20 : 365,901.84 = 259,881.12 : x
  2. Step 2: Convert to fraction form
    265,687.20/365,901.84 = 259,881.12/x
  3. Step 3: Cross multiply
    265,687.20x = 365,901.84 × 259,881.12
  4. Step 4: Simplify right side
    265,687.20x = 95,090,979,989.26
  5. Step 5: Solve for x
    x = 95,090,979,989.26/265,687.20
  6. Step 6: Final answer
    x = 357,905.76

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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.