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Finding the Fourth Proportional to 479,170.01, 718,144.48 and 254,638.01

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Solution

The fourth proportional to 479,170.01, 718,144.48 and 254,638.01 is: 381,632.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,170.01 : 718,144.48 = 254,638.01 : x
  2. Step 2: Convert to fraction form
    479,170.01/718,144.48 = 254,638.01/x
  3. Step 3: Cross multiply
    479,170.01x = 718,144.48 × 254,638.01
  4. Step 4: Simplify right side
    479,170.01x = 182,866,883,393.34
  5. Step 5: Solve for x
    x = 182,866,883,393.34/479,170.01
  6. Step 6: Final answer
    x = 381,632.57

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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.