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Finding the Fourth Proportional to 960,994.40, 1,326,057 and 531,216.16

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Solution

The fourth proportional to 960,994.40, 1,326,057 and 531,216.16 is: 733,014.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    960,994.40 : 1,326,057 = 531,216.16 : x
  2. Step 2: Convert to fraction form
    960,994.40/1,326,057 = 531,216.16/x
  3. Step 3: Cross multiply
    960,994.40x = 1,326,057 × 531,216.16
  4. Step 4: Simplify right side
    960,994.40x = 704,422,907,481.12
  5. Step 5: Solve for x
    x = 704,422,907,481.12/960,994.40
  6. Step 6: Final answer
    x = 733,014.58

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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.