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Finding the Fourth Proportional to 469.24, 703.61 and 332.55

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Solution

The fourth proportional to 469.24, 703.61 and 332.55 is: 498.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    469.24 : 703.61 = 332.55 : x
  2. Step 2: Convert to fraction form
    469.24/703.61 = 332.55/x
  3. Step 3: Cross multiply
    469.24x = 703.61 × 332.55
  4. Step 4: Simplify right side
    469.24x = 233,986.43
  5. Step 5: Solve for x
    x = 233,986.43/469.24
  6. Step 6: Final answer
    x = 498.65

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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.