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Finding the Fourth Proportional to 462.92, 693.30 and 360.32

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Solution

The fourth proportional to 462.92, 693.30 and 360.32 is: 539.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    462.92 : 693.30 = 360.32 : x
  2. Step 2: Convert to fraction form
    462.92/693.30 = 360.32/x
  3. Step 3: Cross multiply
    462.92x = 693.30 × 360.32
  4. Step 4: Simplify right side
    462.92x = 249,809.86
  5. Step 5: Solve for x
    x = 249,809.86/462.92
  6. Step 6: Final answer
    x = 539.64

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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.