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Finding the Fourth Proportional to 304,462.13, 456,695.08 and 79,820.54

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Solution

The fourth proportional to 304,462.13, 456,695.08 and 79,820.54 is: 119,731.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,462.13 : 456,695.08 = 79,820.54 : x
  2. Step 2: Convert to fraction form
    304,462.13/456,695.08 = 79,820.54/x
  3. Step 3: Cross multiply
    304,462.13x = 456,695.08 × 79,820.54
  4. Step 4: Simplify right side
    304,462.13x = 36,453,647,130.52
  5. Step 5: Solve for x
    x = 36,453,647,130.52/304,462.13
  6. Step 6: Final answer
    x = 119,731.30

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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.