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Finding the Fourth Proportional to 558,751.34, 836,792.94 and 321,595.49

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Solution

The fourth proportional to 558,751.34, 836,792.94 and 321,595.49 is: 481,625.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,751.34 : 836,792.94 = 321,595.49 : x
  2. Step 2: Convert to fraction form
    558,751.34/836,792.94 = 321,595.49/x
  3. Step 3: Cross multiply
    558,751.34x = 836,792.94 × 321,595.49
  4. Step 4: Simplify right side
    558,751.34x = 269,108,835,567.84
  5. Step 5: Solve for x
    x = 269,108,835,567.84/558,751.34
  6. Step 6: Final answer
    x = 481,625.40

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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.