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Finding the Fourth Proportional to 647,900.28, 971,873.19 and 174,596.94

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Solution

The fourth proportional to 647,900.28, 971,873.19 and 174,596.94 is: 261,901.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,900.28 : 971,873.19 = 174,596.94 : x
  2. Step 2: Convert to fraction form
    647,900.28/971,873.19 = 174,596.94/x
  3. Step 3: Cross multiply
    647,900.28x = 971,873.19 × 174,596.94
  4. Step 4: Simplify right side
    647,900.28x = 169,686,085,042.04
  5. Step 5: Solve for x
    x = 169,686,085,042.04/647,900.28
  6. Step 6: Final answer
    x = 261,901.55

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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.