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Finding the Fourth Proportional to 567,333.63, 782,910.09 and 309,212.82

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Solution

The fourth proportional to 567,333.63, 782,910.09 and 309,212.82 is: 426,708.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,333.63 : 782,910.09 = 309,212.82 : x
  2. Step 2: Convert to fraction form
    567,333.63/782,910.09 = 309,212.82/x
  3. Step 3: Cross multiply
    567,333.63x = 782,910.09 × 309,212.82
  4. Step 4: Simplify right side
    567,333.63x = 242,085,836,735.35
  5. Step 5: Solve for x
    x = 242,085,836,735.35/567,333.63
  6. Step 6: Final answer
    x = 426,708.07

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1.5x scale

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.