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Finding the Fourth Proportional to 331,063.50, 456,836.04 and 185,836.04

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Solution

The fourth proportional to 331,063.50, 456,836.04 and 185,836.04 is: 256,436.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,063.50 : 456,836.04 = 185,836.04 : x
  2. Step 2: Convert to fraction form
    331,063.50/456,836.04 = 185,836.04/x
  3. Step 3: Cross multiply
    331,063.50x = 456,836.04 × 185,836.04
  4. Step 4: Simplify right side
    331,063.50x = 84,896,600,602.88
  5. Step 5: Solve for x
    x = 84,896,600,602.88/331,063.50
  6. Step 6: Final answer
    x = 256,436.00

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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.