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Finding the Fourth Proportional to 431,833.70, 595,737.78 and 250,440.50

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Solution

The fourth proportional to 431,833.70, 595,737.78 and 250,440.50 is: 345,496.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,833.70 : 595,737.78 = 250,440.50 : x
  2. Step 2: Convert to fraction form
    431,833.70/595,737.78 = 250,440.50/x
  3. Step 3: Cross multiply
    431,833.70x = 595,737.78 × 250,440.50
  4. Step 4: Simplify right side
    431,833.70x = 149,196,867,492.09
  5. Step 5: Solve for x
    x = 149,196,867,492.09/431,833.70
  6. Step 6: Final answer
    x = 345,496.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.