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Finding the Fourth Proportional to 374,635.99, 516,997.38 and 204,870.07

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Solution

The fourth proportional to 374,635.99, 516,997.38 and 204,870.07 is: 282,720.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,635.99 : 516,997.38 = 204,870.07 : x
  2. Step 2: Convert to fraction form
    374,635.99/516,997.38 = 204,870.07/x
  3. Step 3: Cross multiply
    374,635.99x = 516,997.38 × 204,870.07
  4. Step 4: Simplify right side
    374,635.99x = 105,917,289,430.42
  5. Step 5: Solve for x
    x = 105,917,289,430.42/374,635.99
  6. Step 6: Final answer
    x = 282,720.54

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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.