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Finding the Fourth Proportional to 504,328.20, 757,367.10 and 488,581.80

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Solution

The fourth proportional to 504,328.20, 757,367.10 and 488,581.80 is: 733,720.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,328.20 : 757,367.10 = 488,581.80 : x
  2. Step 2: Convert to fraction form
    504,328.20/757,367.10 = 488,581.80/x
  3. Step 3: Cross multiply
    504,328.20x = 757,367.10 × 488,581.80
  4. Step 4: Simplify right side
    504,328.20x = 370,035,780,978.78
  5. Step 5: Solve for x
    x = 370,035,780,978.78/504,328.20
  6. Step 6: Final answer
    x = 733,720.19

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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.