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Finding the Fourth Proportional to 304,040.63, 456,134.76 and 93,678.56

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Solution

The fourth proportional to 304,040.63, 456,134.76 and 93,678.56 is: 140,540.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,040.63 : 456,134.76 = 93,678.56 : x
  2. Step 2: Convert to fraction form
    304,040.63/456,134.76 = 93,678.56/x
  3. Step 3: Cross multiply
    304,040.63x = 456,134.76 × 93,678.56
  4. Step 4: Simplify right side
    304,040.63x = 42,730,045,202.07
  5. Step 5: Solve for x
    x = 42,730,045,202.07/304,040.63
  6. Step 6: Final answer
    x = 140,540.58

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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.