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Finding the Fourth Proportional to 304,435.51, 456,655.21 and 79,794.00

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Solution

The fourth proportional to 304,435.51, 456,655.21 and 79,794.00 is: 119,691.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,435.51 : 456,655.21 = 79,794.00 : x
  2. Step 2: Convert to fraction form
    304,435.51/456,655.21 = 79,794.00/x
  3. Step 3: Cross multiply
    304,435.51x = 456,655.21 × 79,794.00
  4. Step 4: Simplify right side
    304,435.51x = 36,438,344,890.36
  5. Step 5: Solve for x
    x = 36,438,344,890.36/304,435.51
  6. Step 6: Final answer
    x = 119,691.51

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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.