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Finding the Fourth Proportional to 386,125.51, 532,853.37 and 235,222.51

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Solution

The fourth proportional to 386,125.51, 532,853.37 and 235,222.51 is: 324,607.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,125.51 : 532,853.37 = 235,222.51 : x
  2. Step 2: Convert to fraction form
    386,125.51/532,853.37 = 235,222.51/x
  3. Step 3: Cross multiply
    386,125.51x = 532,853.37 × 235,222.51
  4. Step 4: Simplify right side
    386,125.51x = 125,339,107,153.36
  5. Step 5: Solve for x
    x = 125,339,107,153.36/386,125.51
  6. Step 6: Final answer
    x = 324,607.17

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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.