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Finding the Fourth Proportional to 1,170,417, 1,615,175.46 and 633,873

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Solution

The fourth proportional to 1,170,417, 1,615,175.46 and 633,873 is: 874,744.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,170,417 : 1,615,175.46 = 633,873 : x
  2. Step 2: Convert to fraction form
    1,170,417/1,615,175.46 = 633,873/x
  3. Step 3: Cross multiply
    1,170,417x = 1,615,175.46 × 633,873
  4. Step 4: Simplify right side
    1,170,417x = 1,023,816,114,356.58
  5. Step 5: Solve for x
    x = 1,023,816,114,356.58/1,170,417
  6. Step 6: Final answer
    x = 874,744.74

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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.