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Finding the Fourth Proportional to 722,589.30, 996,993.09 and 416,759.22

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Solution

The fourth proportional to 722,589.30, 996,993.09 and 416,759.22 is: 575,023.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,589.30 : 996,993.09 = 416,759.22 : x
  2. Step 2: Convert to fraction form
    722,589.30/996,993.09 = 416,759.22/x
  3. Step 3: Cross multiply
    722,589.30x = 996,993.09 × 416,759.22
  4. Step 4: Simplify right side
    722,589.30x = 415,506,062,533.79
  5. Step 5: Solve for x
    x = 415,506,062,533.79/722,589.30
  6. Step 6: Final answer
    x = 575,023.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.