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Finding the Fourth Proportional to 352,703.63, 486,734.58 and 191,561.83

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Solution

The fourth proportional to 352,703.63, 486,734.58 and 191,561.83 is: 264,357.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,703.63 : 486,734.58 = 191,561.83 : x
  2. Step 2: Convert to fraction form
    352,703.63/486,734.58 = 191,561.83/x
  3. Step 3: Cross multiply
    352,703.63x = 486,734.58 × 191,561.83
  4. Step 4: Simplify right side
    352,703.63x = 93,239,765,652.25
  5. Step 5: Solve for x
    x = 93,239,765,652.25/352,703.63
  6. Step 6: Final answer
    x = 264,357.26

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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.