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Finding the Fourth Proportional to 453,169.82, 625,361.85 and 249,220.73

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Solution

The fourth proportional to 453,169.82, 625,361.85 and 249,220.73 is: 343,917.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,169.82 : 625,361.85 = 249,220.73 : x
  2. Step 2: Convert to fraction form
    453,169.82/625,361.85 = 249,220.73/x
  3. Step 3: Cross multiply
    453,169.82x = 625,361.85 × 249,220.73
  4. Step 4: Simplify right side
    453,169.82x = 155,853,136,771.15
  5. Step 5: Solve for x
    x = 155,853,136,771.15/453,169.82
  6. Step 6: Final answer
    x = 343,917.74

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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.