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Finding the Fourth Proportional to 304,356.21, 456,237.54 and 126,913.92

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Solution

The fourth proportional to 304,356.21, 456,237.54 and 126,913.92 is: 190,247.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,356.21 : 456,237.54 = 126,913.92 : x
  2. Step 2: Convert to fraction form
    304,356.21/456,237.54 = 126,913.92/x
  3. Step 3: Cross multiply
    304,356.21x = 456,237.54 × 126,913.92
  4. Step 4: Simplify right side
    304,356.21x = 57,902,894,652.56
  5. Step 5: Solve for x
    x = 57,902,894,652.56/304,356.21
  6. Step 6: Final answer
    x = 190,247.13

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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.