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Finding the Fourth Proportional to 391,603,535.94, 587,472,224.94 and 161,446,805.22

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Solution

The fourth proportional to 391,603,535.94, 587,472,224.94 and 161,446,805.22 is: 242,197,797.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    391,603,535.94 : 587,472,224.94 = 161,446,805.22 : x
  2. Step 2: Convert to fraction form
    391,603,535.94/587,472,224.94 = 161,446,805.22/x
  3. Step 3: Cross multiply
    391,603,535.94x = 587,472,224.94 × 161,446,805.22
  4. Step 4: Simplify right side
    391,603,535.94x = 94,845,513,872,048,208
  5. Step 5: Solve for x
    x = 94,845,513,872,048,208/391,603,535.94
  6. Step 6: Final answer
    x = 242,197,797.43

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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.