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Finding the Fourth Proportional to 413,577.60, 619,329.60 and 330,633.60

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Solution

The fourth proportional to 413,577.60, 619,329.60 and 330,633.60 is: 495,121.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,577.60 : 619,329.60 = 330,633.60 : x
  2. Step 2: Convert to fraction form
    413,577.60/619,329.60 = 330,633.60/x
  3. Step 3: Cross multiply
    413,577.60x = 619,329.60 × 330,633.60
  4. Step 4: Simplify right side
    413,577.60x = 204,771,175,234.56
  5. Step 5: Solve for x
    x = 204,771,175,234.56/413,577.60
  6. Step 6: Final answer
    x = 495,121.53

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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.