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Finding the Fourth Proportional to 453,194.58, 625,418.52 and 249,255.83

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Solution

The fourth proportional to 453,194.58, 625,418.52 and 249,255.83 is: 343,978.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,194.58 : 625,418.52 = 249,255.83 : x
  2. Step 2: Convert to fraction form
    453,194.58/625,418.52 = 249,255.83/x
  3. Step 3: Cross multiply
    453,194.58x = 625,418.52 × 249,255.83
  4. Step 4: Simplify right side
    453,194.58x = 155,889,209,172.88
  5. Step 5: Solve for x
    x = 155,889,209,172.88/453,194.58
  6. Step 6: Final answer
    x = 343,978.54

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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.