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Finding the Fourth Proportional to 347,569, 479,645.22 and 188,593

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Solution

The fourth proportional to 347,569, 479,645.22 and 188,593 is: 260,258.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,569 : 479,645.22 = 188,593 : x
  2. Step 2: Convert to fraction form
    347,569/479,645.22 = 188,593/x
  3. Step 3: Cross multiply
    347,569x = 479,645.22 × 188,593
  4. Step 4: Simplify right side
    347,569x = 90,457,730,975.46
  5. Step 5: Solve for x
    x = 90,457,730,975.46/347,569
  6. Step 6: Final answer
    x = 260,258.34

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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.