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Finding the Fourth Proportional to 231,496.53, 348,979.90 and 216,065.37

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Solution

The fourth proportional to 231,496.53, 348,979.90 and 216,065.37 is: 325,717.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,496.53 : 348,979.90 = 216,065.37 : x
  2. Step 2: Convert to fraction form
    231,496.53/348,979.90 = 216,065.37/x
  3. Step 3: Cross multiply
    231,496.53x = 348,979.90 × 216,065.37
  4. Step 4: Simplify right side
    231,496.53x = 75,402,471,216.06
  5. Step 5: Solve for x
    x = 75,402,471,216.06/231,496.53
  6. Step 6: Final answer
    x = 325,717.50

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.