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Finding the Fourth Proportional to 536.16, 803.95 and 292.62

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Solution

The fourth proportional to 536.16, 803.95 and 292.62 is: 438.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    536.16 : 803.95 = 292.62 : x
  2. Step 2: Convert to fraction form
    536.16/803.95 = 292.62/x
  3. Step 3: Cross multiply
    536.16x = 803.95 × 292.62
  4. Step 4: Simplify right side
    536.16x = 235,251.85
  5. Step 5: Solve for x
    x = 235,251.85/536.16
  6. Step 6: Final answer
    x = 438.77

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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.