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Finding the Fourth Proportional to 584.32, 875.16 and 453.27

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Solution

The fourth proportional to 584.32, 875.16 and 453.27 is: 678.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    584.32 : 875.16 = 453.27 : x
  2. Step 2: Convert to fraction form
    584.32/875.16 = 453.27/x
  3. Step 3: Cross multiply
    584.32x = 875.16 × 453.27
  4. Step 4: Simplify right side
    584.32x = 396,683.77
  5. Step 5: Solve for x
    x = 396,683.77/584.32
  6. Step 6: Final answer
    x = 678.88

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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.