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Finding the Fourth Proportional to 304,661.07, 456,693.32 and 127,218.83

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Solution

The fourth proportional to 304,661.07, 456,693.32 and 127,218.83 is: 190,703.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,661.07 : 456,693.32 = 127,218.83 : x
  2. Step 2: Convert to fraction form
    304,661.07/456,693.32 = 127,218.83/x
  3. Step 3: Cross multiply
    304,661.07x = 456,693.32 × 127,218.83
  4. Step 4: Simplify right side
    304,661.07x = 58,099,987,873.80
  5. Step 5: Solve for x
    x = 58,099,987,873.80/304,661.07
  6. Step 6: Final answer
    x = 190,703.68

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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.