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Finding the Fourth Proportional to 504,619, 757,074.62 and 149,641.59

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Solution

The fourth proportional to 504,619, 757,074.62 and 149,641.59 is: 224,505.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,619 : 757,074.62 = 149,641.59 : x
  2. Step 2: Convert to fraction form
    504,619/757,074.62 = 149,641.59/x
  3. Step 3: Cross multiply
    504,619x = 757,074.62 × 149,641.59
  4. Step 4: Simplify right side
    504,619x = 113,289,849,885.45
  5. Step 5: Solve for x
    x = 113,289,849,885.45/504,619
  6. Step 6: Final answer
    x = 224,505.72

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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.