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Finding the Fourth Proportional to 616,680.49, 851,025.39 and 344,763.49

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Solution

The fourth proportional to 616,680.49, 851,025.39 and 344,763.49 is: 475,777.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,680.49 : 851,025.39 = 344,763.49 : x
  2. Step 2: Convert to fraction form
    616,680.49/851,025.39 = 344,763.49/x
  3. Step 3: Cross multiply
    616,680.49x = 851,025.39 × 344,763.49
  4. Step 4: Simplify right side
    616,680.49x = 293,402,483,535.01
  5. Step 5: Solve for x
    x = 293,402,483,535.01/616,680.49
  6. Step 6: Final answer
    x = 475,777.15

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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.