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Finding the Fourth Proportional to 385,932.29, 532,586.55 and 235,029.29

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Solution

The fourth proportional to 385,932.29, 532,586.55 and 235,029.29 is: 324,340.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,932.29 : 532,586.55 = 235,029.29 : x
  2. Step 2: Convert to fraction form
    385,932.29/532,586.55 = 235,029.29/x
  3. Step 3: Cross multiply
    385,932.29x = 532,586.55 × 235,029.29
  4. Step 4: Simplify right side
    385,932.29x = 125,173,438,710.05
  5. Step 5: Solve for x
    x = 125,173,438,710.05/385,932.29
  6. Step 6: Final answer
    x = 324,340.41

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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.