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Finding the Fourth Proportional to 453,771.75, 626,181.23 and 249,782.82

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Solution

The fourth proportional to 453,771.75, 626,181.23 and 249,782.82 is: 344,687.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,771.75 : 626,181.23 = 249,782.82 : x
  2. Step 2: Convert to fraction form
    453,771.75/626,181.23 = 249,782.82/x
  3. Step 3: Cross multiply
    453,771.75x = 626,181.23 × 249,782.82
  4. Step 4: Simplify right side
    453,771.75x = 156,409,315,259.02
  5. Step 5: Solve for x
    x = 156,409,315,259.02/453,771.75
  6. Step 6: Final answer
    x = 344,687.21

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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.