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Finding the Fourth Proportional to 341,861.72, 512,442.61 and 173,069.06

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Solution

The fourth proportional to 341,861.72, 512,442.61 and 173,069.06 is: 259,426.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,861.72 : 512,442.61 = 173,069.06 : x
  2. Step 2: Convert to fraction form
    341,861.72/512,442.61 = 173,069.06/x
  3. Step 3: Cross multiply
    341,861.72x = 512,442.61 × 173,069.06
  4. Step 4: Simplify right side
    341,861.72x = 88,687,957,821.76
  5. Step 5: Solve for x
    x = 88,687,957,821.76/341,861.72
  6. Step 6: Final answer
    x = 259,426.41

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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.