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Finding the Fourth Proportional to 453,887.52, 626,359.50 and 249,934.20

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Solution

The fourth proportional to 453,887.52, 626,359.50 and 249,934.20 is: 344,906.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,887.52 : 626,359.50 = 249,934.20 : x
  2. Step 2: Convert to fraction form
    453,887.52/626,359.50 = 249,934.20/x
  3. Step 3: Cross multiply
    453,887.52x = 626,359.50 × 249,934.20
  4. Step 4: Simplify right side
    453,887.52x = 156,548,660,544.90
  5. Step 5: Solve for x
    x = 156,548,660,544.90/453,887.52
  6. Step 6: Final answer
    x = 344,906.29

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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.