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Finding the Fourth Proportional to 352,706, 486,737.85 and 191,564.20

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Solution

The fourth proportional to 352,706, 486,737.85 and 191,564.20 is: 264,360.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,706 : 486,737.85 = 191,564.20 : x
  2. Step 2: Convert to fraction form
    352,706/486,737.85 = 191,564.20/x
  3. Step 3: Cross multiply
    352,706x = 486,737.85 × 191,564.20
  4. Step 4: Simplify right side
    352,706x = 93,241,546,844.97
  5. Step 5: Solve for x
    x = 93,241,546,844.97/352,706
  6. Step 6: Final answer
    x = 264,360.53

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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.