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Finding the Fourth Proportional to 626,517.06, 864,594.17 and 340,037.27

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Solution

The fourth proportional to 626,517.06, 864,594.17 and 340,037.27 is: 469,251.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,517.06 : 864,594.17 = 340,037.27 : x
  2. Step 2: Convert to fraction form
    626,517.06/864,594.17 = 340,037.27/x
  3. Step 3: Cross multiply
    626,517.06x = 864,594.17 × 340,037.27
  4. Step 4: Simplify right side
    626,517.06x = 293,994,241,224.72
  5. Step 5: Solve for x
    x = 293,994,241,224.72/626,517.06
  6. Step 6: Final answer
    x = 469,251.77

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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.