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Finding the Fourth Proportional to 558.14, 770.52 and 433.52

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Solution

The fourth proportional to 558.14, 770.52 and 433.52 is: 598.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    558.14 : 770.52 = 433.52 : x
  2. Step 2: Convert to fraction form
    558.14/770.52 = 433.52/x
  3. Step 3: Cross multiply
    558.14x = 770.52 × 433.52
  4. Step 4: Simplify right side
    558.14x = 334,031.98
  5. Step 5: Solve for x
    x = 334,031.98/558.14
  6. Step 6: Final answer
    x = 598.48

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.