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Finding the Fourth Proportional to 558,755.34, 836,798.94 and 321,599.52

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Solution

The fourth proportional to 558,755.34, 836,798.94 and 321,599.52 is: 481,631.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,755.34 : 836,798.94 = 321,599.52 : x
  2. Step 2: Convert to fraction form
    558,755.34/836,798.94 = 321,599.52/x
  3. Step 3: Cross multiply
    558,755.34x = 836,798.94 × 321,599.52
  4. Step 4: Simplify right side
    558,755.34x = 269,114,137,440.51
  5. Step 5: Solve for x
    x = 269,114,137,440.51/558,755.34
  6. Step 6: Final answer
    x = 481,631.44

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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.