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Finding the Fourth Proportional to 306,972.88, 460,525.20 and 173,916.88

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Solution

The fourth proportional to 306,972.88, 460,525.20 and 173,916.88 is: 260,912.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,972.88 : 460,525.20 = 173,916.88 : x
  2. Step 2: Convert to fraction form
    306,972.88/460,525.20 = 173,916.88/x
  3. Step 3: Cross multiply
    306,972.88x = 460,525.20 × 173,916.88
  4. Step 4: Simplify right side
    306,972.88x = 80,093,105,945.38
  5. Step 5: Solve for x
    x = 80,093,105,945.38/306,972.88
  6. Step 6: Final answer
    x = 260,912.64

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1.5x scale

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.