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Finding the Fourth Proportional to 304,321.49, 456,393 and 114,645

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Solution

The fourth proportional to 304,321.49, 456,393 and 114,645 is: 171,933.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,321.49 : 456,393 = 114,645 : x
  2. Step 2: Convert to fraction form
    304,321.49/456,393 = 114,645/x
  3. Step 3: Cross multiply
    304,321.49x = 456,393 × 114,645
  4. Step 4: Simplify right side
    304,321.49x = 52,323,175,485
  5. Step 5: Solve for x
    x = 52,323,175,485/304,321.49
  6. Step 6: Final answer
    x = 171,933.89

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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.