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Finding the Fourth Proportional to 453,868.26, 626,333.11 and 249,915.03

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Solution

The fourth proportional to 453,868.26, 626,333.11 and 249,915.03 is: 344,879.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,868.26 : 626,333.11 = 249,915.03 : x
  2. Step 2: Convert to fraction form
    453,868.26/626,333.11 = 249,915.03/x
  3. Step 3: Cross multiply
    453,868.26x = 626,333.11 × 249,915.03
  4. Step 4: Simplify right side
    453,868.26x = 156,530,057,975.64
  5. Step 5: Solve for x
    x = 156,530,057,975.64/453,868.26
  6. Step 6: Final answer
    x = 344,879.94

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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.