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Finding the Fourth Proportional to 304,583.93, 457,138.34 and 211,155.29

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Solution

The fourth proportional to 304,583.93, 457,138.34 and 211,155.29 is: 316,914.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,583.93 : 457,138.34 = 211,155.29 : x
  2. Step 2: Convert to fraction form
    304,583.93/457,138.34 = 211,155.29/x
  3. Step 3: Cross multiply
    304,583.93x = 457,138.34 × 211,155.29
  4. Step 4: Simplify right side
    304,583.93x = 96,527,179,203.15
  5. Step 5: Solve for x
    x = 96,527,179,203.15/304,583.93
  6. Step 6: Final answer
    x = 316,914.88

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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.