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Finding the Fourth Proportional to 341,611.79, 512,728.65 and 181,821.88

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Solution

The fourth proportional to 341,611.79, 512,728.65 and 181,821.88 is: 272,898.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,611.79 : 512,728.65 = 181,821.88 : x
  2. Step 2: Convert to fraction form
    341,611.79/512,728.65 = 181,821.88/x
  3. Step 3: Cross multiply
    341,611.79x = 512,728.65 × 181,821.88
  4. Step 4: Simplify right side
    341,611.79x = 93,225,289,178.85
  5. Step 5: Solve for x
    x = 93,225,289,178.85/341,611.79
  6. Step 6: Final answer
    x = 272,898.33

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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.