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Finding the Fourth Proportional to 1,482,504.75, 2,046,076.07 and 938,691

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Solution

The fourth proportional to 1,482,504.75, 2,046,076.07 and 938,691 is: 1,295,532.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,482,504.75 : 2,046,076.07 = 938,691 : x
  2. Step 2: Convert to fraction form
    1,482,504.75/2,046,076.07 = 938,691/x
  3. Step 3: Cross multiply
    1,482,504.75x = 2,046,076.07 × 938,691
  4. Step 4: Simplify right side
    1,482,504.75x = 1,920,633,187,530.92
  5. Step 5: Solve for x
    x = 1,920,633,187,530.92/1,482,504.75
  6. Step 6: Final answer
    x = 1,295,532.57

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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.