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Finding the Fourth Proportional to 471,066.48, 706,600.20 and 190,586.16

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Solution

The fourth proportional to 471,066.48, 706,600.20 and 190,586.16 is: 285,879.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,066.48 : 706,600.20 = 190,586.16 : x
  2. Step 2: Convert to fraction form
    471,066.48/706,600.20 = 190,586.16/x
  3. Step 3: Cross multiply
    471,066.48x = 706,600.20 × 190,586.16
  4. Step 4: Simplify right side
    471,066.48x = 134,668,218,773.23
  5. Step 5: Solve for x
    x = 134,668,218,773.23/471,066.48
  6. Step 6: Final answer
    x = 285,879.43

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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.