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Finding the Fourth Proportional to 504,339.68, 756,404.76 and 149,270.42

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Solution

The fourth proportional to 504,339.68, 756,404.76 and 149,270.42 is: 223,874.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,339.68 : 756,404.76 = 149,270.42 : x
  2. Step 2: Convert to fraction form
    504,339.68/756,404.76 = 149,270.42/x
  3. Step 3: Cross multiply
    504,339.68x = 756,404.76 × 149,270.42
  4. Step 4: Simplify right side
    504,339.68x = 112,908,856,215.20
  5. Step 5: Solve for x
    x = 112,908,856,215.20/504,339.68
  6. Step 6: Final answer
    x = 223,874.62

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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.