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Finding the Fourth Proportional to 352,868.76, 486,960.89 and 191,725.11

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Solution

The fourth proportional to 352,868.76, 486,960.89 and 191,725.11 is: 264,581.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,868.76 : 486,960.89 = 191,725.11 : x
  2. Step 2: Convert to fraction form
    352,868.76/486,960.89 = 191,725.11/x
  3. Step 3: Cross multiply
    352,868.76x = 486,960.89 × 191,725.11
  4. Step 4: Simplify right side
    352,868.76x = 93,362,629,242.32
  5. Step 5: Solve for x
    x = 93,362,629,242.32/352,868.76
  6. Step 6: Final answer
    x = 264,581.74

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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.