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Finding the Fourth Proportional to 675,687.64, 932,043.71 and 446,245.36

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Solution

The fourth proportional to 675,687.64, 932,043.71 and 446,245.36 is: 615,550.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,687.64 : 932,043.71 = 446,245.36 : x
  2. Step 2: Convert to fraction form
    675,687.64/932,043.71 = 446,245.36/x
  3. Step 3: Cross multiply
    675,687.64x = 932,043.71 × 446,245.36
  4. Step 4: Simplify right side
    675,687.64x = 415,920,180,904.69
  5. Step 5: Solve for x
    x = 415,920,180,904.69/675,687.64
  6. Step 6: Final answer
    x = 615,550.97

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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.