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Finding the Fourth Proportional to 629,392.84, 943,576.86 and 292,645.48

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Solution

The fourth proportional to 629,392.84, 943,576.86 and 292,645.48 is: 438,729.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,392.84 : 943,576.86 = 292,645.48 : x
  2. Step 2: Convert to fraction form
    629,392.84/943,576.86 = 292,645.48/x
  3. Step 3: Cross multiply
    629,392.84x = 943,576.86 × 292,645.48
  4. Step 4: Simplify right side
    629,392.84x = 276,133,503,111.59
  5. Step 5: Solve for x
    x = 276,133,503,111.59/629,392.84
  6. Step 6: Final answer
    x = 438,729.97

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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.