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Finding the Fourth Proportional to 547,567.43, 755,634.96 and 305,853.57

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Solution

The fourth proportional to 547,567.43, 755,634.96 and 305,853.57 is: 422,073.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,567.43 : 755,634.96 = 305,853.57 : x
  2. Step 2: Convert to fraction form
    547,567.43/755,634.96 = 305,853.57/x
  3. Step 3: Cross multiply
    547,567.43x = 755,634.96 × 305,853.57
  4. Step 4: Simplify right side
    547,567.43x = 231,113,650,132.81
  5. Step 5: Solve for x
    x = 231,113,650,132.81/547,567.43
  6. Step 6: Final answer
    x = 422,073.41

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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.