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Finding the Fourth Proportional to 609,270.64, 840,819.74 and 337,338.52

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Solution

The fourth proportional to 609,270.64, 840,819.74 and 337,338.52 is: 465,541.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,270.64 : 840,819.74 = 337,338.52 : x
  2. Step 2: Convert to fraction form
    609,270.64/840,819.74 = 337,338.52/x
  3. Step 3: Cross multiply
    609,270.64x = 840,819.74 × 337,338.52
  4. Step 4: Simplify right side
    609,270.64x = 283,640,886,678.39
  5. Step 5: Solve for x
    x = 283,640,886,678.39/609,270.64
  6. Step 6: Final answer
    x = 465,541.70

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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.