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Finding the Fourth Proportional to 595.34, 894.22 and 485.84

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Solution

The fourth proportional to 595.34, 894.22 and 485.84 is: 729.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    595.34 : 894.22 = 485.84 : x
  2. Step 2: Convert to fraction form
    595.34/894.22 = 485.84/x
  3. Step 3: Cross multiply
    595.34x = 894.22 × 485.84
  4. Step 4: Simplify right side
    595.34x = 434,447.84
  5. Step 5: Solve for x
    x = 434,447.84/595.34
  6. Step 6: Final answer
    x = 729.75

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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.