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Finding the Fourth Proportional to 629,496.94, 944,478.87 and 292,718.38

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Solution

The fourth proportional to 629,496.94, 944,478.87 and 292,718.38 is: 439,186.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,496.94 : 944,478.87 = 292,718.38 : x
  2. Step 2: Convert to fraction form
    629,496.94/944,478.87 = 292,718.38/x
  3. Step 3: Cross multiply
    629,496.94x = 944,478.87 × 292,718.38
  4. Step 4: Simplify right side
    629,496.94x = 276,466,324,770.63
  5. Step 5: Solve for x
    x = 276,466,324,770.63/629,496.94
  6. Step 6: Final answer
    x = 439,186.13

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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.