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Finding the Fourth Proportional to 316,752.44, 475,216.14 and 281,935.40

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Solution

The fourth proportional to 316,752.44, 475,216.14 and 281,935.40 is: 422,980.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,752.44 : 475,216.14 = 281,935.40 : x
  2. Step 2: Convert to fraction form
    316,752.44/475,216.14 = 281,935.40/x
  3. Step 3: Cross multiply
    316,752.44x = 475,216.14 × 281,935.40
  4. Step 4: Simplify right side
    316,752.44x = 133,980,252,517.36
  5. Step 5: Solve for x
    x = 133,980,252,517.36/316,752.44
  6. Step 6: Final answer
    x = 422,980.96

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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.