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Finding the Fourth Proportional to 304,214.40, 456,286.72 and 79,596.52

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Solution

The fourth proportional to 304,214.40, 456,286.72 and 79,596.52 is: 119,385.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,214.40 : 456,286.72 = 79,596.52 : x
  2. Step 2: Convert to fraction form
    304,214.40/456,286.72 = 79,596.52/x
  3. Step 3: Cross multiply
    304,214.40x = 456,286.72 × 79,596.52
  4. Step 4: Simplify right side
    304,214.40x = 36,318,835,034.21
  5. Step 5: Solve for x
    x = 36,318,835,034.21/304,214.40
  6. Step 6: Final answer
    x = 119,385.65

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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.