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Finding the Fourth Proportional to 632,499.80, 872,850.77 and 374,584.80

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Solution

The fourth proportional to 632,499.80, 872,850.77 and 374,584.80 is: 516,927.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,499.80 : 872,850.77 = 374,584.80 : x
  2. Step 2: Convert to fraction form
    632,499.80/872,850.77 = 374,584.80/x
  3. Step 3: Cross multiply
    632,499.80x = 872,850.77 × 374,584.80
  4. Step 4: Simplify right side
    632,499.80x = 326,956,629,237.37
  5. Step 5: Solve for x
    x = 326,956,629,237.37/632,499.80
  6. Step 6: Final answer
    x = 516,927.64

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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.