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Finding the Fourth Proportional to 352,165, 528,325.26 and 130,549

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Solution

The fourth proportional to 352,165, 528,325.26 and 130,549 is: 195,852.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,165 : 528,325.26 = 130,549 : x
  2. Step 2: Convert to fraction form
    352,165/528,325.26 = 130,549/x
  3. Step 3: Cross multiply
    352,165x = 528,325.26 × 130,549
  4. Step 4: Simplify right side
    352,165x = 68,972,334,367.74
  5. Step 5: Solve for x
    x = 68,972,334,367.74/352,165
  6. Step 6: Final answer
    x = 195,852.33

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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.