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Finding the Fourth Proportional to 575.46, 863.64 and 332.10

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Solution

The fourth proportional to 575.46, 863.64 and 332.10 is: 498.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    575.46 : 863.64 = 332.10 : x
  2. Step 2: Convert to fraction form
    575.46/863.64 = 332.10/x
  3. Step 3: Cross multiply
    575.46x = 863.64 × 332.10
  4. Step 4: Simplify right side
    575.46x = 286,814.84
  5. Step 5: Solve for x
    x = 286,814.84/575.46
  6. Step 6: Final answer
    x = 498.41

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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.