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Finding the Fourth Proportional to 296,864.64, 445,303.44 and 178,634.88

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Solution

The fourth proportional to 296,864.64, 445,303.44 and 178,634.88 is: 267,956.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,864.64 : 445,303.44 = 178,634.88 : x
  2. Step 2: Convert to fraction form
    296,864.64/445,303.44 = 178,634.88/x
  3. Step 3: Cross multiply
    296,864.64x = 445,303.44 × 178,634.88
  4. Step 4: Simplify right side
    296,864.64x = 79,546,726,567.99
  5. Step 5: Solve for x
    x = 79,546,726,567.99/296,864.64
  6. Step 6: Final answer
    x = 267,956.22

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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.