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Finding the Fourth Proportional to 352,708.08, 486,735.36 and 191,562

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Solution

The fourth proportional to 352,708.08, 486,735.36 and 191,562 is: 264,354.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,708.08 : 486,735.36 = 191,562 : x
  2. Step 2: Convert to fraction form
    352,708.08/486,735.36 = 191,562/x
  3. Step 3: Cross multiply
    352,708.08x = 486,735.36 × 191,562
  4. Step 4: Simplify right side
    352,708.08x = 93,239,999,032.32
  5. Step 5: Solve for x
    x = 93,239,999,032.32/352,708.08
  6. Step 6: Final answer
    x = 264,354.59

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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.