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Finding the Fourth Proportional to 582.53, 874.09 and 322.48

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Solution

The fourth proportional to 582.53, 874.09 and 322.48 is: 483.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    582.53 : 874.09 = 322.48 : x
  2. Step 2: Convert to fraction form
    582.53/874.09 = 322.48/x
  3. Step 3: Cross multiply
    582.53x = 874.09 × 322.48
  4. Step 4: Simplify right side
    582.53x = 281,878.64
  5. Step 5: Solve for x
    x = 281,878.64/582.53
  6. Step 6: Final answer
    x = 483.89

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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.