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Finding the Fourth Proportional to 675,414.05, 932,078.74 and 369,483.85

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Solution

The fourth proportional to 675,414.05, 932,078.74 and 369,483.85 is: 509,891.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,414.05 : 932,078.74 = 369,483.85 : x
  2. Step 2: Convert to fraction form
    675,414.05/932,078.74 = 369,483.85/x
  3. Step 3: Cross multiply
    675,414.05x = 932,078.74 × 369,483.85
  4. Step 4: Simplify right side
    675,414.05x = 344,388,037,180.73
  5. Step 5: Solve for x
    x = 344,388,037,180.73/675,414.05
  6. Step 6: Final answer
    x = 509,891.73

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1.5x scale

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.