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Finding the Fourth Proportional to 306,962.88, 460,510.20 and 173,906.88

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Solution

The fourth proportional to 306,962.88, 460,510.20 and 173,906.88 is: 260,897.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,962.88 : 460,510.20 = 173,906.88 : x
  2. Step 2: Convert to fraction form
    306,962.88/460,510.20 = 173,906.88/x
  3. Step 3: Cross multiply
    306,962.88x = 460,510.20 × 173,906.88
  4. Step 4: Simplify right side
    306,962.88x = 80,085,892,090.18
  5. Step 5: Solve for x
    x = 80,085,892,090.18/306,962.88
  6. Step 6: Final answer
    x = 260,897.64

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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.