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Finding the Fourth Proportional to 558.63, 770.97 and 337.59

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Solution

The fourth proportional to 558.63, 770.97 and 337.59 is: 465.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    558.63 : 770.97 = 337.59 : x
  2. Step 2: Convert to fraction form
    558.63/770.97 = 337.59/x
  3. Step 3: Cross multiply
    558.63x = 770.97 × 337.59
  4. Step 4: Simplify right side
    558.63x = 260,271.76
  5. Step 5: Solve for x
    x = 260,271.76/558.63
  6. Step 6: Final answer
    x = 465.91

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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.