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Finding the Fourth Proportional to 595.04, 892.88 and 321.12

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Solution

The fourth proportional to 595.04, 892.88 and 321.12 is: 481.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    595.04 : 892.88 = 321.12 : x
  2. Step 2: Convert to fraction form
    595.04/892.88 = 321.12/x
  3. Step 3: Cross multiply
    595.04x = 892.88 × 321.12
  4. Step 4: Simplify right side
    595.04x = 286,721.63
  5. Step 5: Solve for x
    x = 286,721.63/595.04
  6. Step 6: Final answer
    x = 481.85

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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.