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Finding the Fourth Proportional to 445,636, 614,977.68 and 244,427.68

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Solution

The fourth proportional to 445,636, 614,977.68 and 244,427.68 is: 337,310.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,636 : 614,977.68 = 244,427.68 : x
  2. Step 2: Convert to fraction form
    445,636/614,977.68 = 244,427.68/x
  3. Step 3: Cross multiply
    445,636x = 614,977.68 × 244,427.68
  4. Step 4: Simplify right side
    445,636x = 150,317,567,574.18
  5. Step 5: Solve for x
    x = 150,317,567,574.18/445,636
  6. Step 6: Final answer
    x = 337,310.20

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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.