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Finding the Fourth Proportional to 306,960.88, 460,507.20 and 173,904.88

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Solution

The fourth proportional to 306,960.88, 460,507.20 and 173,904.88 is: 260,894.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,960.88 : 460,507.20 = 173,904.88 : x
  2. Step 2: Convert to fraction form
    306,960.88/460,507.20 = 173,904.88/x
  3. Step 3: Cross multiply
    306,960.88x = 460,507.20 × 173,904.88
  4. Step 4: Simplify right side
    306,960.88x = 80,084,449,355.14
  5. Step 5: Solve for x
    x = 80,084,449,355.14/306,960.88
  6. Step 6: Final answer
    x = 260,894.64

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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.