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Finding the Fourth Proportional to 445,333.88, 614,626.41 and 282,005.29

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Solution

The fourth proportional to 445,333.88, 614,626.41 and 282,005.29 is: 389,208.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,333.88 : 614,626.41 = 282,005.29 : x
  2. Step 2: Convert to fraction form
    445,333.88/614,626.41 = 282,005.29/x
  3. Step 3: Cross multiply
    445,333.88x = 614,626.41 × 282,005.29
  4. Step 4: Simplify right side
    445,333.88x = 173,327,898,993.71
  5. Step 5: Solve for x
    x = 173,327,898,993.71/445,333.88
  6. Step 6: Final answer
    x = 389,208.88

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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.