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Finding the Fourth Proportional to 304,528.64, 456,760.08 and 79,911.44

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Solution

The fourth proportional to 304,528.64, 456,760.08 and 79,911.44 is: 119,858.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,528.64 : 456,760.08 = 79,911.44 : x
  2. Step 2: Convert to fraction form
    304,528.64/456,760.08 = 79,911.44/x
  3. Step 3: Cross multiply
    304,528.64x = 456,760.08 × 79,911.44
  4. Step 4: Simplify right side
    304,528.64x = 36,500,355,727.32
  5. Step 5: Solve for x
    x = 36,500,355,727.32/304,528.64
  6. Step 6: Final answer
    x = 119,858.53

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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.