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Finding the Fourth Proportional to 1,310,562.67, 1,965,844.83 and 363,933.49

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Solution

The fourth proportional to 1,310,562.67, 1,965,844.83 and 363,933.49 is: 545,900.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,310,562.67 : 1,965,844.83 = 363,933.49 : x
  2. Step 2: Convert to fraction form
    1,310,562.67/1,965,844.83 = 363,933.49/x
  3. Step 3: Cross multiply
    1,310,562.67x = 1,965,844.83 × 363,933.49
  4. Step 4: Simplify right side
    1,310,562.67x = 715,436,769,780.36
  5. Step 5: Solve for x
    x = 715,436,769,780.36/1,310,562.67
  6. Step 6: Final answer
    x = 545,900.46

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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.