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Finding the Fourth Proportional to 304,329.50, 456,405 and 114,653

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Solution

The fourth proportional to 304,329.50, 456,405 and 114,653 is: 171,945.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,329.50 : 456,405 = 114,653 : x
  2. Step 2: Convert to fraction form
    304,329.50/456,405 = 114,653/x
  3. Step 3: Cross multiply
    304,329.50x = 456,405 × 114,653
  4. Step 4: Simplify right side
    304,329.50x = 52,328,202,465
  5. Step 5: Solve for x
    x = 52,328,202,465/304,329.50
  6. Step 6: Final answer
    x = 171,945.88

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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.