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Finding the Fourth Proportional to 304,440.63, 456,414.85 and 127,080.39

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Solution

The fourth proportional to 304,440.63, 456,414.85 and 127,080.39 is: 190,517.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,440.63 : 456,414.85 = 127,080.39 : x
  2. Step 2: Convert to fraction form
    304,440.63/456,414.85 = 127,080.39/x
  3. Step 3: Cross multiply
    304,440.63x = 456,414.85 × 127,080.39
  4. Step 4: Simplify right side
    304,440.63x = 58,001,379,010.20
  5. Step 5: Solve for x
    x = 58,001,379,010.20/304,440.63
  6. Step 6: Final answer
    x = 190,517.87

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1.5x scale

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.