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Finding the Fourth Proportional to 453,196.62, 625,418.19 and 249,256.26

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Solution

The fourth proportional to 453,196.62, 625,418.19 and 249,256.26 is: 343,977.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,196.62 : 625,418.19 = 249,256.26 : x
  2. Step 2: Convert to fraction form
    453,196.62/625,418.19 = 249,256.26/x
  3. Step 3: Cross multiply
    453,196.62x = 625,418.19 × 249,256.26
  4. Step 4: Simplify right side
    453,196.62x = 155,889,398,975.37
  5. Step 5: Solve for x
    x = 155,889,398,975.37/453,196.62
  6. Step 6: Final answer
    x = 343,977.41

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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.