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Finding the Fourth Proportional to 594,634.40, 892,087.80 and 257,731.60

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Solution

The fourth proportional to 594,634.40, 892,087.80 and 257,731.60 is: 386,656.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,634.40 : 892,087.80 = 257,731.60 : x
  2. Step 2: Convert to fraction form
    594,634.40/892,087.80 = 257,731.60/x
  3. Step 3: Cross multiply
    594,634.40x = 892,087.80 × 257,731.60
  4. Step 4: Simplify right side
    594,634.40x = 229,919,216,034.48
  5. Step 5: Solve for x
    x = 229,919,216,034.48/594,634.40
  6. Step 6: Final answer
    x = 386,656.43

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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.