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Finding the Fourth Proportional to 675,932.66, 932,723.27 and 403,946.40

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Solution

The fourth proportional to 675,932.66, 932,723.27 and 403,946.40 is: 557,407.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,932.66 : 932,723.27 = 403,946.40 : x
  2. Step 2: Convert to fraction form
    675,932.66/932,723.27 = 403,946.40/x
  3. Step 3: Cross multiply
    675,932.66x = 932,723.27 × 403,946.40
  4. Step 4: Simplify right side
    675,932.66x = 376,770,205,093.00
  5. Step 5: Solve for x
    x = 376,770,205,093.00/675,932.66
  6. Step 6: Final answer
    x = 557,407.90

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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.