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Finding the Fourth Proportional to 492,745.95, 738,160.28 and 323,752.82

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Solution

The fourth proportional to 492,745.95, 738,160.28 and 323,752.82 is: 484,999.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,745.95 : 738,160.28 = 323,752.82 : x
  2. Step 2: Convert to fraction form
    492,745.95/738,160.28 = 323,752.82/x
  3. Step 3: Cross multiply
    492,745.95x = 738,160.28 × 323,752.82
  4. Step 4: Simplify right side
    492,745.95x = 238,981,472,261.99
  5. Step 5: Solve for x
    x = 238,981,472,261.99/492,745.95
  6. Step 6: Final answer
    x = 484,999.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.