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Finding the Fourth Proportional to 326,404.28, 450,322.44 and 213,292.64

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Solution

The fourth proportional to 326,404.28, 450,322.44 and 213,292.64 is: 294,268.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,404.28 : 450,322.44 = 213,292.64 : x
  2. Step 2: Convert to fraction form
    326,404.28/450,322.44 = 213,292.64/x
  3. Step 3: Cross multiply
    326,404.28x = 450,322.44 × 213,292.64
  4. Step 4: Simplify right side
    326,404.28x = 96,050,462,404.80
  5. Step 5: Solve for x
    x = 96,050,462,404.80/326,404.28
  6. Step 6: Final answer
    x = 294,268.39

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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.