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Finding the Fourth Proportional to 343,186.82, 514,959.71 and 249,193.43

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Solution

The fourth proportional to 343,186.82, 514,959.71 and 249,193.43 is: 373,920.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,186.82 : 514,959.71 = 249,193.43 : x
  2. Step 2: Convert to fraction form
    343,186.82/514,959.71 = 249,193.43/x
  3. Step 3: Cross multiply
    343,186.82x = 514,959.71 × 249,193.43
  4. Step 4: Simplify right side
    343,186.82x = 128,324,572,625.94
  5. Step 5: Solve for x
    x = 128,324,572,625.94/343,186.82
  6. Step 6: Final answer
    x = 373,920.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.