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Finding the Fourth Proportional to 313,847.25, 433,100.07 and 177,893.72

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Solution

The fourth proportional to 313,847.25, 433,100.07 and 177,893.72 is: 245,488.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,847.25 : 433,100.07 = 177,893.72 : x
  2. Step 2: Convert to fraction form
    313,847.25/433,100.07 = 177,893.72/x
  3. Step 3: Cross multiply
    313,847.25x = 433,100.07 × 177,893.72
  4. Step 4: Simplify right side
    313,847.25x = 77,045,780,419.06
  5. Step 5: Solve for x
    x = 77,045,780,419.06/313,847.25
  6. Step 6: Final answer
    x = 245,488.15

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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.