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Finding the Fourth Proportional to 479,456.94, 661,899.31 and 350,250.35

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Solution

The fourth proportional to 479,456.94, 661,899.31 and 350,250.35 is: 483,527.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,456.94 : 661,899.31 = 350,250.35 : x
  2. Step 2: Convert to fraction form
    479,456.94/661,899.31 = 350,250.35/x
  3. Step 3: Cross multiply
    479,456.94x = 661,899.31 × 350,250.35
  4. Step 4: Simplify right side
    479,456.94x = 231,830,460,807.14
  5. Step 5: Solve for x
    x = 231,830,460,807.14/479,456.94
  6. Step 6: Final answer
    x = 483,527.18

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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.