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Finding the Fourth Proportional to 582.89, 874.16 and 323.01

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Solution

The fourth proportional to 582.89, 874.16 and 323.01 is: 484.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    582.89 : 874.16 = 323.01 : x
  2. Step 2: Convert to fraction form
    582.89/874.16 = 323.01/x
  3. Step 3: Cross multiply
    582.89x = 874.16 × 323.01
  4. Step 4: Simplify right side
    582.89x = 282,360.81
  5. Step 5: Solve for x
    x = 282,360.81/582.89
  6. Step 6: Final answer
    x = 484.42

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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.