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Finding the Fourth Proportional to 441,871.44, 610,142.40 and 360,212.64

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Solution

The fourth proportional to 441,871.44, 610,142.40 and 360,212.64 is: 497,386.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,871.44 : 610,142.40 = 360,212.64 : x
  2. Step 2: Convert to fraction form
    441,871.44/610,142.40 = 360,212.64/x
  3. Step 3: Cross multiply
    441,871.44x = 610,142.40 × 360,212.64
  4. Step 4: Simplify right side
    441,871.44x = 219,781,004,679.94
  5. Step 5: Solve for x
    x = 219,781,004,679.94/441,871.44
  6. Step 6: Final answer
    x = 497,386.76

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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.