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Finding the Fourth Proportional to 453,644.83, 626,024.94 and 249,691.39

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Solution

The fourth proportional to 453,644.83, 626,024.94 and 249,691.39 is: 344,571.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,644.83 : 626,024.94 = 249,691.39 : x
  2. Step 2: Convert to fraction form
    453,644.83/626,024.94 = 249,691.39/x
  3. Step 3: Cross multiply
    453,644.83x = 626,024.94 × 249,691.39
  4. Step 4: Simplify right side
    453,644.83x = 156,313,034,941.86
  5. Step 5: Solve for x
    x = 156,313,034,941.86/453,644.83
  6. Step 6: Final answer
    x = 344,571.40

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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.