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Finding the Fourth Proportional to 535.92, 803.52 and 462.72

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Solution

The fourth proportional to 535.92, 803.52 and 462.72 is: 693.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    535.92 : 803.52 = 462.72 : x
  2. Step 2: Convert to fraction form
    535.92/803.52 = 462.72/x
  3. Step 3: Cross multiply
    535.92x = 803.52 × 462.72
  4. Step 4: Simplify right side
    535.92x = 371,804.77
  5. Step 5: Solve for x
    x = 371,804.77/535.92
  6. Step 6: Final answer
    x = 693.77

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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.