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Finding the Fourth Proportional to 488,504.88, 732,771.69 and 416,976.51

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Solution

The fourth proportional to 488,504.88, 732,771.69 and 416,976.51 is: 625,477.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,504.88 : 732,771.69 = 416,976.51 : x
  2. Step 2: Convert to fraction form
    488,504.88/732,771.69 = 416,976.51/x
  3. Step 3: Cross multiply
    488,504.88x = 732,771.69 × 416,976.51
  4. Step 4: Simplify right side
    488,504.88x = 305,548,581,923.00
  5. Step 5: Solve for x
    x = 305,548,581,923.00/488,504.88
  6. Step 6: Final answer
    x = 625,477.03

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1.5x scale

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.