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Finding the Fourth Proportional to 304,407.77, 456,537.83 and 126,817.90

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Solution

The fourth proportional to 304,407.77, 456,537.83 and 126,817.90 is: 190,196.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,407.77 : 456,537.83 = 126,817.90 : x
  2. Step 2: Convert to fraction form
    304,407.77/456,537.83 = 126,817.90/x
  3. Step 3: Cross multiply
    304,407.77x = 456,537.83 × 126,817.90
  4. Step 4: Simplify right side
    304,407.77x = 57,897,168,046.86
  5. Step 5: Solve for x
    x = 57,897,168,046.86/304,407.77
  6. Step 6: Final answer
    x = 190,196.09

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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.