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Finding the Fourth Proportional to 932,225.64, 1,398,042 and 300,992.64

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Solution

The fourth proportional to 932,225.64, 1,398,042 and 300,992.64 is: 451,393.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    932,225.64 : 1,398,042 = 300,992.64 : x
  2. Step 2: Convert to fraction form
    932,225.64/1,398,042 = 300,992.64/x
  3. Step 3: Cross multiply
    932,225.64x = 1,398,042 × 300,992.64
  4. Step 4: Simplify right side
    932,225.64x = 420,800,352,410.88
  5. Step 5: Solve for x
    x = 420,800,352,410.88/932,225.64
  6. Step 6: Final answer
    x = 451,393.24

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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.