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Finding the Fourth Proportional to 504,706.80, 757,060.20 and 414,505.20

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Solution

The fourth proportional to 504,706.80, 757,060.20 and 414,505.20 is: 621,757.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,706.80 : 757,060.20 = 414,505.20 : x
  2. Step 2: Convert to fraction form
    504,706.80/757,060.20 = 414,505.20/x
  3. Step 3: Cross multiply
    504,706.80x = 757,060.20 × 414,505.20
  4. Step 4: Simplify right side
    504,706.80x = 313,805,389,613.04
  5. Step 5: Solve for x
    x = 313,805,389,613.04/504,706.80
  6. Step 6: Final answer
    x = 621,757.80

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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.