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Finding the Fourth Proportional to 306,961.88, 460,508.70 and 173,905.88

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Solution

The fourth proportional to 306,961.88, 460,508.70 and 173,905.88 is: 260,896.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,961.88 : 460,508.70 = 173,905.88 : x
  2. Step 2: Convert to fraction form
    306,961.88/460,508.70 = 173,905.88/x
  3. Step 3: Cross multiply
    306,961.88x = 460,508.70 × 173,905.88
  4. Step 4: Simplify right side
    306,961.88x = 80,085,170,721.16
  5. Step 5: Solve for x
    x = 80,085,170,721.16/306,961.88
  6. Step 6: Final answer
    x = 260,896.14

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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.