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Finding the Fourth Proportional to 881,322, 1,321,979.76 and 250,235.88

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Solution

The fourth proportional to 881,322, 1,321,979.76 and 250,235.88 is: 375,352.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,322 : 1,321,979.76 = 250,235.88 : x
  2. Step 2: Convert to fraction form
    881,322/1,321,979.76 = 250,235.88/x
  3. Step 3: Cross multiply
    881,322x = 1,321,979.76 × 250,235.88
  4. Step 4: Simplify right side
    881,322x = 330,806,768,585.79
  5. Step 5: Solve for x
    x = 330,806,768,585.79/881,322
  6. Step 6: Final answer
    x = 375,352.90

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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.