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Finding the Fourth Proportional to 306,981.88, 460,538.70 and 173,925.88

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Solution

The fourth proportional to 306,981.88, 460,538.70 and 173,925.88 is: 260,926.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,981.88 : 460,538.70 = 173,925.88 : x
  2. Step 2: Convert to fraction form
    306,981.88/460,538.70 = 173,925.88/x
  3. Step 3: Cross multiply
    306,981.88x = 460,538.70 × 173,925.88
  4. Step 4: Simplify right side
    306,981.88x = 80,099,598,671.56
  5. Step 5: Solve for x
    x = 80,099,598,671.56/306,981.88
  6. Step 6: Final answer
    x = 260,926.15

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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.