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Finding the Fourth Proportional to 304,122.96, 456,262.20 and 126,570.96

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Solution

The fourth proportional to 304,122.96, 456,262.20 and 126,570.96 is: 189,888.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,122.96 : 456,262.20 = 126,570.96 : x
  2. Step 2: Convert to fraction form
    304,122.96/456,262.20 = 126,570.96/x
  3. Step 3: Cross multiply
    304,122.96x = 456,262.20 × 126,570.96
  4. Step 4: Simplify right side
    304,122.96x = 57,749,544,665.71
  5. Step 5: Solve for x
    x = 57,749,544,665.71/304,122.96
  6. Step 6: Final answer
    x = 189,888.80

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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.