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Finding the Fourth Proportional to 504,618.80, 757,074.29 and 149,641.34

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Solution

The fourth proportional to 504,618.80, 757,074.29 and 149,641.34 is: 224,505.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,618.80 : 757,074.29 = 149,641.34 : x
  2. Step 2: Convert to fraction form
    504,618.80/757,074.29 = 149,641.34/x
  3. Step 3: Cross multiply
    504,618.80x = 757,074.29 × 149,641.34
  4. Step 4: Simplify right side
    504,618.80x = 113,289,606,701.57
  5. Step 5: Solve for x
    x = 113,289,606,701.57/504,618.80
  6. Step 6: Final answer
    x = 224,505.33

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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.