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Finding the Fourth Proportional to 453,771.28, 626,180.58 and 249,782.36

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Solution

The fourth proportional to 453,771.28, 626,180.58 and 249,782.36 is: 344,686.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,771.28 : 626,180.58 = 249,782.36 : x
  2. Step 2: Convert to fraction form
    453,771.28/626,180.58 = 249,782.36/x
  3. Step 3: Cross multiply
    453,771.28x = 626,180.58 × 249,782.36
  4. Step 4: Simplify right side
    453,771.28x = 156,408,859,927.67
  5. Step 5: Solve for x
    x = 156,408,859,927.67/453,771.28
  6. Step 6: Final answer
    x = 344,686.56

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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.