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Finding the Fourth Proportional to 333,079.59, 499,614.76 and 80,357.94

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Solution

The fourth proportional to 333,079.59, 499,614.76 and 80,357.94 is: 120,535.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,079.59 : 499,614.76 = 80,357.94 : x
  2. Step 2: Convert to fraction form
    333,079.59/499,614.76 = 80,357.94/x
  3. Step 3: Cross multiply
    333,079.59x = 499,614.76 × 80,357.94
  4. Step 4: Simplify right side
    333,079.59x = 40,148,012,907.19
  5. Step 5: Solve for x
    x = 40,148,012,907.19/333,079.59
  6. Step 6: Final answer
    x = 120,535.79

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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.