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Finding the Fourth Proportional to 385,664.54, 532,217.06 and 234,761.54

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Solution

The fourth proportional to 385,664.54, 532,217.06 and 234,761.54 is: 323,970.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,664.54 : 532,217.06 = 234,761.54 : x
  2. Step 2: Convert to fraction form
    385,664.54/532,217.06 = 234,761.54/x
  3. Step 3: Cross multiply
    385,664.54x = 532,217.06 × 234,761.54
  4. Step 4: Simplify right side
    385,664.54x = 124,944,092,784.98
  5. Step 5: Solve for x
    x = 124,944,092,784.98/385,664.54
  6. Step 6: Final answer
    x = 323,970.92

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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.