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Finding the Fourth Proportional to 584.16, 875.46 and 309.96

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Solution

The fourth proportional to 584.16, 875.46 and 309.96 is: 464.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    584.16 : 875.46 = 309.96 : x
  2. Step 2: Convert to fraction form
    584.16/875.46 = 309.96/x
  3. Step 3: Cross multiply
    584.16x = 875.46 × 309.96
  4. Step 4: Simplify right side
    584.16x = 271,357.58
  5. Step 5: Solve for x
    x = 271,357.58/584.16
  6. Step 6: Final answer
    x = 464.53

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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.