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Finding the Fourth Proportional to 312,559.41, 468,832.64 and 75,903.33

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Solution

The fourth proportional to 312,559.41, 468,832.64 and 75,903.33 is: 113,853.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,559.41 : 468,832.64 = 75,903.33 : x
  2. Step 2: Convert to fraction form
    312,559.41/468,832.64 = 75,903.33/x
  3. Step 3: Cross multiply
    312,559.41x = 468,832.64 × 75,903.33
  4. Step 4: Simplify right side
    312,559.41x = 35,585,958,209.17
  5. Step 5: Solve for x
    x = 35,585,958,209.17/312,559.41
  6. Step 6: Final answer
    x = 113,853.42

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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.